1. Some Historical Background
What follows in this section is a brief outline of the origins and trajectory of reflection on moral responsibility in the Western philosophical tradition. Against this background, a distinction will be drawn between two conceptions of moral responsibility that have exerted considerable influence on subsequent thinkers.
An understanding of the concept of moral responsibility and its application is present implicitly in some of the earliest surviving Greek texts, i.e., the Homeric epics (circa 8th century BCE but no doubt informed by a much earlier oral tradition). In these texts, both human and superhuman agents are often regarded as fair targets of praise and blame on the basis of how they have behaved, and at other times, an agent's behavior is excused because of the presence of some factor that has undermined his/her control (Irwin 1999: 225). Reflection on these factors gave rise to fatalism—the view that one's future or some aspect of it is predetermined, e.g., by the gods, or the stars, or simply some facts about truth and time—in such a way as to make one's particular deliberations, choices and actions irrelevant to whether that particular future is realized (recall, e.g., the plight of Oedipus). If some particular outcome is fated, then it seems that the agent concerned could not be morally responsible for that outcome. Likewise, if fatalism were true with respect to all human futures, then it would seem that no human agent could be morally responsible for anything. Though this brand of fatalism has sometimes exerted significant historical influence, most philosophers have rejected it on the grounds that there is no good reason to think that our futures are fated in the sense that they will unfold no matter what particular deliberations we engage in, choices we make, or actions we perform.
Aristotle (384–323 BCE) seems to have been the first to construct a theory of moral responsibility. In the course of discussing human virtues and their corresponding vices, Aristotle pauses in Nicomachean Ethics III.1–5 to explore their underpinnings. He begins with a brief statement of the concept of moral responsibility—that it is sometimes appropriate to respond to an agent with praise or blame on the basis of her actions and/or dispositional traits of character (1109b30–35). A bit later, he clarifies that only a certain kind of agent qualifies as a moral agent and is thus properly subject to ascriptions of responsibility, namely, one who possess a capacity for decision. For Aristotle, a decision is a particular kind of desire resulting from deliberation, one that expresses the agent's conception of what is good (1111b5–1113b3). The remainder of Aristotle's discussion is devoted to spelling out the conditions under which it is appropriate to hold a moral agent blameworthy or praiseworthy for some particular action or trait. His general proposal is that one is an apt candidate for praise or blame if and only if the action and/or disposition is voluntary. According to Aristotle, a voluntary action or trait has two distinctive features. First, there is a control condition: the action or trait must have its origin in the agent. That is, it must be up to the agent whether to perform that action or possess the trait—it cannot be compelled externally. Second, Aristotle proposes an epistemic condition: the agent must be aware of what it is she is doing or bringing about (1110a-1111b4).
There is an instructive ambiguity in Aristotle's account of responsibility, an ambiguity that has led to competing interpretations of his view. Aristotle aims to identify the conditions under which it is appropriate to praise or blame an agent, but it is not entirely clear how to understand the pivotal notion of appropriateness in his conception of responsibility. There are at least two possibilities: a) praise or blame is appropriate in the sense that the agent deserves such a response, given his behavior and/or traits of character; or b) praise or blame is appropriate in the sense that such a reaction is likely to bring about a desired consequence, namely an improvement in the agent's behavior and/or character. These two possibilities may be characterized in terms of two competing interpretations of the concept of moral responsibility: 1) the merit-basedview, according to which praise or blame would be an appropriate reaction toward the candidate if and only if she merits—in the sense of ‘deserves’—such a reaction; vs. 2) the consequentialist view, according to which praise or blame would be appropriate if and only if a reaction of this sort would likely lead to a desired change in the agent and/or her behavior.
Scholars disagree about which of the above views Aristotle endorsed, but the importance of distinguishing between them grew as philosophers began to focus on a newly conceived threat to moral responsibility. While Aristotle argued against a version of fatalism (On Interpretation, ch. 9), he may not have recognized the difference between it and the related possible threat of causal determinism. Causal determinism is the view that everything that happens or exists is caused by sufficient antecedent conditions, making it impossible for anything to happen or be other than it does or is. One variety of causal determinism, scientific determinism, identifies the relevant antecedent conditions as a combination of prior states of the universe and the laws of nature. Another, theological determinism, identifies those conditions as being the nature and will of God. It seems likely that theological determinism evolved out of the shift, both in Greek religion and in Ancient Mesopotamian religions, from polytheism to belief in one sovereign God, or at least one god who reigned over all others. The doctrine of scientific determinism can be traced back as far as the Presocratic Atomists (5th cent. BCE), but the difference between it and the earlier fatalistic view seems not to be clearly recognized until the development of Stoic philosophy (3rd. cent. BCE). Though fatalism, like causal determinism, might seem to threaten moral responsibility by threatening an agent's control, the two differ on the significance of human deliberation, choice, and action. If fatalism is true, then human deliberation, choice, and action are completely otiose, for what is fated will transpire no matter what one chooses to do. According to causal determinism, however, one's deliberations, choices, and actions will often be necessary links in the causal chain that brings something about. In other words, even though our deliberations, choices, and actions are themselves determined like everything else, it is still the case, according to causal determinism, that the occurrence or existence of yet other things depends upon our deliberating, choosing and acting in a certain way (Irwin 1999: 243–249; Meyer 1998: 225–227; and Pereboom 1997: ch. 2).
Since the Stoics, the thesis of causal determinism, if true, and its ramifications, have taken center stage in theorizing about moral responsibility. During the Medieval period, especially in the work of Augustine (354–430) and Aquinas (1225–1274), reflection on freedom and responsibility was often generated by questions concerning versions of theological determinism, including most prominently: a) Does God's sovereignty entail that God is responsible for evil?; and b) Does God's foreknowledge entail that we are not free and morally responsible since it would seem that we cannot do anything other than what God foreknows we will do? During the Modern period, there was renewed interest in scientific determinism—a change attributable to the development of increasingly sophisticated mechanistic models of the universe culminating in the success of Newtonian physics. The possibility of giving a comprehensive explanation of every aspect of the universe—including human action—in terms of physical causes became much more plausible. Many thought that persons could not be free and morally responsible if such an explanation of human action turned out to be true. Others argued that freedom and responsibility would not be undermined by the truth of scientific determinism. In keeping with this focus on the ramifications of causal determinism for moral responsibility, thinkers may be classified as being one of two types: 1) an incompatibilist about causal determinism and moral responsibility—one who maintains that if causal determinism is true, then there is nothing for which one can be morally responsible; or 2) a compatibilist—one who holds that a person can be morally responsible for some things, even if both who she is and what she does is causally determined. In Ancient Greece, these positions were exemplified in the thought of Epicurus (341–270 BCE) and the Stoics, respectively.
Above, an ambiguity in Aristotle's conception of moral responsibility was highlighted—that it was not clear whether he endorsed a merit-based vs. a consequentialist conception of moral responsibility. The history of reflection on moral responsibility demonstrates that how one interprets the concept of moral responsibility strongly influences one's overall account of moral responsibility. For example, those who accept the merit-based conception of moral responsibility have tended to be incompatibilists. That is, most have thought that if an agent were to genuinely merit praise or blame for something, then he would need to exercise a special form of control over that thing (e.g., the ability at the time of action to both perform or not perform the action) that is incompatible with one's being causally determined. In addition to Epicurus, we can cite early Augustine, Thomas Reid (1710–1796), and Immanuel Kant (1724–1804) as historical examples here. Those accepting the consequentialist conception of moral responsibility, on the other hand, have traditionally contended that determinism poses no threat to moral responsibility since praising and blaming could still be an effective means of influencing another's behavior, even in a deterministic world. Thomas Hobbes (1588–1679), David Hume (1711–1776), and John Stuart Mill (1806–1873) are, along with the Stoics, representatives of this view. This general trend of linking the consequentialist conception of moral responsibility with compatibilism about causal determinism and moral responsibility and the merit-based conception with incompatibilism continued to persist through the first half of the twentieth century.
2. Recent Work on the Concept of Responsibility
The issue of how best to understand the concept of moral responsibility is important, for it can strongly influence one's view of what, if any, philosophical problems might be associated with the notion, and further, if there are problems, what might count as a solution. As discussed above, philosophical reflection on moral responsibility has historically relied upon one of two broad interpretations of the concept: 1) the merit-basedview, according to which praise or blame would be an appropriate reaction toward the candidate if and only if she merits—in the sense of ‘deserves’—such a reaction; or 2) the consequentialist view, according to which praise or blame would be appropriate if and only if a reaction of this sort would likely lead to a desired change in the agent and/or her behavior. Though versions of the consequentialist view have continued to garner support (Smart; Frankena 1963: ch. 4; Schlick 1966; Brandt 1992; Dennett 1984: ch. 7; Kupperman 1991: ch. 3; and Vargas 2013: ch. 6), work in the last 50 years on the concept of moral responsibility has increasingly focused on: a) offering alternative versions of the merit-based view; and b) questioning whether there is but one concept of moral responsibility.
Increased attention to the stance of regarding and holding persons morally responsible has generated much of the recent work on the concept of moral responsibility. All theorists have recognized features of this practice—inner attitudes and emotions, their outward expression in censure or praise, and the imposition of corresponding sanctions or rewards. However, most understood the inner attitudes and emotions involved to rest on a more fundamental theoretical judgment about the agent's being responsible. In other words, it was typically assumed that blame and praise depended upon a judgment, or belief (pre-reflective in most cases), that the agent in question had satisfied the objective conditions on being responsible. These judgments were presumed to be independent of the inner attitudinal/emotive states involved in holding responsible in the sense that reaching such judgments and evaluating them required no essential reference to the attitudes and emotions of the one making the judgment. For the holder of the consequentialist view, this is a judgment that the agent exercised a form of control that could be influenced through outward expressions of praise and blame in order to curb or promote certain behaviors. For those holding the merit view, it is a judgment that the agent has exercised the requisite form of metaphysical control, e.g., that she could have done otherwise at the time of action (Watson 1987: 258).
If holding responsible is best understood as resting on an independent judgment about being responsible, then it is legitimate to inquire whether such underlying judgments and their associated outward expressions can be justified, as a whole, in the face of our best current understanding of the world, e.g., in the face of evidence that our world is possibly deterministic. According to incompatibilists, a judgment that someone is morally responsible could never be true if the world were deterministic; thus praising and blaming in the merit-based sense would be beside the point. Compatibilists, on the other hand, contend that the truth of determinism would not undermine the relevant underlying judgments concerning the efficacy of praising and blaming practices, thereby leaving the rationale of such practices intact.
2.1 Strawson and the Reactive Attitudes
In his landmark essay, ‘Freedom and Resentment,’ P. F. Strawson (1962) sets out to adjudicate the dispute between those compatibilists who hold a consequentialist view of responsibility and those incompatibilists who hold the merit-based view. Both are wrong, Strawson believes, because they distort the concept of moral responsibility by sharing the prevailing assumption sketched above — the assumption that holding persons responsible rests upon a theoretical judgment of their being responsible. According to Strawson, the attitudes expressed in holding persons morally responsible are varieties of a wide range of attitudes deriving from our participation in personal relationships, e.g., resentment, indignation, hurt feelings, anger, gratitude, reciprocal love, and forgiveness. The function of these attitudes is to express “…how much we actually mind, how much it matters to us, whether the actions of other people—and particularly some other people—reflect attitudes towards us of good will, affection, or esteem on the one hand or contempt, indifference, or malevolence on the other.” (p. 5, author's emphasis) These attitudes are thus participant reactive attitudes, because they are: a) natural attitudinal reactions to the perception of another's good will, ill will, or indifference (pp. 4–6), and b) expressed from the stance of one who is immersed in interpersonal relationships and who regards the candidate held responsible as a participant in such relationships as well (p. 10).
The reactive attitudes can be suspended or modified in at least two kinds of circumstances, corresponding to the two features just mentioned. In the first, one might conclude that, contrary to first appearances, the candidate did not violate the demand for a reasonable degree of good will. For example, a person's behavior may be excused when one determines that it was an accident, or one may determine that the behavior was justified, say, in the case of an emergency when some greater good is being pursued. In the second kind of circumstance, one may abandon the participant perspective in relation to the candidate. In these cases, one adopts the objective standpoint, one from which one ceases to regard the individual as capable of participating in genuine personal relations (either for some limited time or permanently). Instead, one regards the individual as psychologically/morally abnormal or undeveloped and thereby a candidate, not for the full range of reactive attitudes, but primarily for those objective attitudes associated with treatment or simply instrumental control. Such individuals lie, in some sense or to some varying extent, outside the boundaries of the moral community. For example, we may regard a very young child as initially exempt from the reactive attitudes (but increasingly less so in cases of normal development) or adopt the objective standpoint in relation to an individual we determine to be suffering from severe mental illness (P. F. Strawson 1962: 6–10; Bennett: 40; Watson 1987: 259–260; R. Jay Wallace: chs. 5–6).
The central criticism Strawson directs at both consequentialist and traditional merit views is that both have over-intellectualized the issue of moral responsibility—a criticism with which many subsequent thinkers have wrestled. The charge of over intellectualization stems from the traditional tendency to presume that the rationality of holding a person responsible depends upon a judgment that the person in question has satisfied some set of objective requirements on being responsible (conditions on efficacy or metaphysical freedom) and that these requirements themselves are justifiable. Strawson, by contrast, maintains that the reactive attitudes are a natural expression of an essential feature of our form of life, in particular, the interpersonal nature of our way of life. The practice, then, of holding responsible—embedded as it is in our way of life—“neither calls for nor permits, an external ‘rational’ justification” (p. 23). Though judgments about the appropriateness of particular responses may arise (i.e., answers to questions like: Was the candidate's behavior really an expression of ill will?; or Is the candidate involved a genuine participant in the moral sphere of human relations?), these judgments are based on principles internal to the practice. That is, their justification refers back to an account of the reactive attitudes and their role in personal relationships, not to some independent theoretical account of the conditions on being responsible.
Given the above, Strawson contends that it is pointless to ask whether the practice of holding responsible can be rationally justified if determinism is true. This is either because it is not psychologically possible to divest ourselves of these reactions and so continually inhabit the objective standpoint, or even if that were possible, because it is not clear that rationality could ever demand that we give up the reactive attitudes, given the loss in quality of life should we do so. In sum, Strawson attempts to turn the traditional debate on its head, for now judgmentsabout being responsible are understood in relation to the role reactive attitudes play in the practice of holding responsible, rather than the other way around. Whereas judgments are true or false and thereby can generate the need for justification, the desire for good will and those attitudes generated by it possess no truth value themselves, thereby eliminating any need for an external justification (Magill 1887: 21; Double 1996b: 848).
Strawson's concept of moral responsibility yields a compatibilist account of being responsible but one that departs significantly from earlier such accounts in two respects. First, Strawson's is a compatibilist view by default only. That is, on Strawson's view, the problem of determinism and freedom/responsibility is not so much resolved by showing that the objective conditions on being responsible are consistent with one's being determined but rather dissolved by showing that the practice of holding people responsible relies on no such conditions and therefore needs no external justification in the face of determinism. Second, Strawson's is a merit-based form of compatibilism. That is, unlike most former consequentialist forms of compatibilism, it helps to explain why we feel that some agents deserve our censure or merit our praise. They do so because they have violated, met, or exceeded our demand for a reasonable degree of good will.
2.2 Developments After Strawson
Most agree that Strawson's discussion of the reactive attitudes is a valuable contribution to our understanding of the practice of holding responsible, but many have taken issue with his contentions about the insular nature of that practice, namely that a) since propriety judgments about the reactive attitudes are strictly internal to the practice (i.e., being responsible is defined in relation to the practice of holding responsible), their justification cannot be considered from a standpoint outside that practice; and b) since the reactive attitudes are natural responses deriving from our psychological constitution, they cannot be dislodged by theoretical considerations. Responding to the first of these, some have argued that it does seem possible to critique existing practices of holding responsible from standpoints outside them. For example, one might judge that either one's own existing community practice or some other community's practice of holding responsible ought to be modified (Fischer and Ravizza 1993: 18; Ekstrom 2000: 148–149). If such evaluations are legitimate, then, contrary to what Strawson suggested, it seems that an existing practice can be questioned from a standpoint external to it. In other words, being responsible cannot be explicated strictly in terms of an existing practice of holding responsible. This then, would suggest a possible role to be played by independent theoretical conditions on being responsible, conditions which could prove to be compatibilist or incompatibilist in nature.
Objecting to the second of Strawson's anti-theory contentions, some have argued that incompatibilist intuitions are embedded in the reactive attitudes themselves so that these attitudes cannot persist unless some justification can be given of them, or more weakly, that they cannot but be disturbed if something like determinism is true. Here, cases are often cited where negative reactive attitudes seem to be dispelled or mitigated upon learning that an agent's past includes severe deprivation and/or abuse. There is a strong pull to think that our reactive attitudes are altered in such cases because we perceive such a background to be deterministic. If this is the proper interpretation of the phenomenon, then it is evidence that theoretical considerations, like the truth of determinism, could in fact dislodge the reactive attitudes (Nagel 1986: 125; Kane 1996: 84–89; Galen Strawson 1986: 88; Honderich 1988: vol. 2, ch. 1; and replies by Watson 1987: 279–286 and 1996: 240; and McKenna 1998).
Versions of Strawson's view continue to be very ably defended, and shortly, more will be said about the significant way in which his work continues to shape contemporary discussion of the concept of responsibility. However, many have taken objections of the above sort to be decisive in undermining the most radical of Strawson's anti-theory claims. Incompatibilists, in particular, seem largely unpersuaded and so have continued to assume a more or less traditional merit-based conception of moral responsibility as the basis for their theorizing. A number of compatibilists also remain unconvinced that Strawson has successfully shown independent theoretical considerations to be irrelevant to ascriptions of responsibility. It is noteworthy that some of these have accorded the reactive attitudes a central role in their discussions of the concept of responsibility, resulting in new merit-based versions of compatibilism (see e.g., Fischer and Ravizza 1998, and McKenna 2012).
Until recently philosophers have assumed that they were concerned about a shared concept of moral responsibility. Even when controversy increasingly arose over how best to characterize it, the assumption seems to have been that it was a controversy over the one correct way of characterizing the concept of responsibility. Strawson was certainly amongst those who made this assumption in trying to adjudicate the dispute between those compatibilists who held the consequentialist view of responsibility and incompatibilists who held the merit-based view. However, a number of authors have suggested of late that at least some disagreements about the most plausible overall theory might be based on a failure to distinguish between different but related concepts of responsibility.
Broadly speaking, a distinction has been made between responsibility as accountability and responsibility as attributability. Drawing on Strawson's work, many contemporary accountability theorists maintain that to be responsible is to be an apt candidate for the reactive attitudes (Bennett 1980; Wallace 1994; Watson 1996; Fischer & Ravizza 1998; and Darwall 2006). In other words, an agent is responsible, if and only if it is appropriate for us to hold her responsible, or accountable, via the reactive attitudes. This highlights a main theme in Strawson--namely, that our responsibility practices are inherently social. Through the reactive attitudes (e.g., resentment) we communicate to fellow members of the moral community our interpersonal expectation for a reasonable degree of goodwill (Stern 1974; Watson 1987/1996; McKenna 1998/2012; Darwall 2006; Shoemaker 2007).
Since the reactive attitudes--when expressed and accompanied by their associated practices--may have consequences for the well-being of an agent (especially in the case of those blaming attitudes and practices involved in holding someone accountable for wrong-doing), they would seem to be appropriate only if it is fair that the agent be subject to them in the sense that s/he deserve them. This concern about fairness may be the original source of the merit-based view of responsibility. Relatedly, this line of thought may help explain the historical preoccupation with whether responsibility for an action requires the ability to have done otherwise. That is, the normative concern for a fair opportunity to avoid blame and sanction may lie behind the felt need to have access to alternatives. (Zimmerman: ch. 5; Wallace: 103–117; Watson 1996: 238–9; Magill 1997: 42–53; Nelkin 2012:31–50).
Notably, some accounts of responsibility make no essential reference to the reactive attitudes or their accompanying practices. Perhaps the clearest example of these are so-called “ledger” views of moral responsibility. According to such views, the practice of ascribing responsibility involves assigning a credit or debit to a metaphorical ledger associated with each agent (Feinberg: 30–1; Glover: 64; Zimmerman: 38–9; and discussion of such views in Watson 1987: 261–2; and Fischer & Ravizza 1998: 8–10, nt. 12). In other words, an agent is responsible if a fault or credit is properly attributable to her.
Ledger views belong to a broader class of views which regard responsibility to be a matter of proper attributability. As Gary Watson has highlighted, the central concern in such views is whether the agent's action or attitude discloses her evaluative judgments or commitments (1996). Satisfying some baseline conditions of responsibility as attributability would appear to be necessary in order to be responsible in the sense of accountable. For example, it would seem unfair to hold someone accountable for an action via reactive attitudes such as resentment or indignation, if the action was not properly attributable to the agent--say, because she succumbed to a genuinely coercive psychological compulsion. Yet being responsible in the attributability sense is not sufficient for being responsible in the accountability sense. As Watson points out, it may make no sense to hold the agent responsible for the action in question, since it may not be the sort of thing for which they are accountable to us. For example, one may think that in making a career decision, an acquaintance failed to give due consideration to what would most fully develop and exercise his talents. Though this is not a moral judgment in the narrow sense favored by accountability theorists (that is, it is unconnected to any interpersonal demand, or mutual expectation, of the sort presupposed by the reactive attitudes) it is a case of finding fault in the way an agent has exercised his judgment. If responsibility as accountability and attributability can come apart in this way, then there appear to be at least two distinct concepts of responsibility.
Some views fit uneasily in either of these two categories. For example, according to another influential view, someone is responsible for an action or attitude just in case it is connected to her capacity for evaluative judgment in a way that opens her up, in principle, to demands for justification from others (Oshana 1997; Scanlon 1998; and Smith 2005/2008/2012). Such a view—call it the "answerability" model—appears to combine aspects of the attributability and accountability models (see discussion by Watson 2011 and Shoemaker 2012). The self-disclosure aspect of the attributability model is reflected in emphasizing that the target of appraisal must be judgment-sensitive. The interpersonal emphasis characteristic of Strawson-inspired accountability models is reflected in the demand for justification (though answerability theorists tend to reject a necessary connection between these demands and the reactive attitudes). In this way, the answerability model offers the possibility of re-unifying discussions of responsibility (Smith 2012), but some see further grounds for distinguishing an additional sense of responsibility (Shoemaker 2012).
The recognition of diversity within the concept or amongst concepts of moral responsibility has generated new reflection on whether the conditions on being morally responsible are in tension with one another (Nagel 1986; G. Strawson 1986, 105–117, 307–317; Honderich 1988: vol. 2, ch. 1; Double 1996a: chs. 6–7; Bok 1998: ch. 1; Smilansky 2000: ch. 6); For example, some have argued that while a compatibilist sense of freedom is sufficient for attributability, genuine accountability would require that agents be capable of exercising libertarian freedom. A rapidly expanding body of empirical data on folk intuitions about freedom and responsibility has added fuel to this debate (Nahmias et. al. 2005 and 2007; Vargas 2006; Nichols & Knobe 2007; Nelkin 2007; Roskies & Nichols 2008; and Knobe & Doris 2010).
If there are irreconcilable tensions within the concept of responsibility, then the conditions of its application cannot be jointly satisfied. Of course, there have always been those—e.g., hard determinists—who have concluded that the conditions on being morally responsible cannot be met and thus that no one is ever morally responsible. However, a noteworthy new trend amongst both contemporary hard determinists and others who conclude that the conditions for the applicability of our folk concept cannot be jointly satisfied has been the move to offer a revisionist conception of moral responsibility (or something analogous to moral responsibility) and its associated practices rather than to reject talk about being responsible outright. Revisionism about moral responsibility is a matter of degree. Some revisionists seek to salvage much if not most of what they take to be linked to the folk concept (Dennett 1984: 19; Honderich 1988: vol. 2, ch. 1; Scanlon 1998: 274–277; Vargas 2004/2005/2013), while others offer more radical reconstructions of the concept and associated practices (Smart 1961; Pereboom 2001: 199–212; Smilansky 2000: chps. 7–8; Kelly 2002).
It is difficult to overestimate the influence of Strawson's work on the topic of moral responsibility. The resurgence of interest in metaphysical treatments of freedom and moral responsibility in recent years is a sign that most have not been persuaded by his most radical critique of such approaches. Nevertheless, his enduring influence is reflected in the ongoing rich discussion of the place and role of the reactive attitudes in human life and in the way contemporary theorists situate their models of responsibility in relation to the accountability model, which he helped to define.
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For other types of responsibility, see Responsibility (disambiguation).
In philosophy, moral responsibility is the status of morallydeservingpraise, blame, reward, or punishment for an act or omission, in accordance with one's moral obligations. Deciding what (if anything) counts as "morally obligatory" is a principal concern of ethics.
Philosophers refer to people who have moral responsibility for an action as moral agents. Agents have the capability to reflect upon their situation, to form intentions about how they will act, and then to carry out that action. The notion of free will has become an important issue in the debate on whether individuals are ever morally responsible for their actions and, if so, in what sense. Incompatibilists regard determinism as at odds with free will, whereas compatibilists think the two can coexist.
Moral responsibility does not necessarily equate to legal responsibility. A person is legally responsible for an event when a legal system is liable to penalise that person for that event. Although it may often be the case that when a person is morally responsible for an act, they are also legally responsible for it, the two states do not always coincide.
Depending on how a philosopher conceives of free will, they will have different views on moral responsibility.
Main article: Incompatibilism
Main article: Libertarianism (metaphysics)
Metaphysical libertarians think actions are not always causally determined, allowing for the possibility of free will and thus moral responsibility. All libertarians are also incompatibilists; they think that if causal determinism were true of human action; people would not have free will. Accordingly, libertarians subscribe to the principle of alternate possibilities, which posits that moral responsibility requires that people could have acted differently.
Phenomenological considerations are sometimes invoked by incompatibilists to defend a libertarian position. In daily life, we feel as though choosing otherwise is a viable option. Although this feeling doesn't firmly establish the existence of free will, some incompatibilists claim the phenomenological feeling of alternate possibilities is a prerequisite for free will.
Jean-Paul Sartre suggested that people sometimes avoid incrimination and responsibility by hiding behind determinism: "...we are always ready to take refuge in a belief in determinism if this freedom weighs upon us or if we need an excuse".
A similar view has it that individual moral culpability lies in individual character. That is, a person with the character of a murderer has no choice other than to murder, but can still be punished because it is right to punish those of bad character. How one's character was determined is irrelevant from this perspective. Robert Cummins, for example, argues that people should not be judged for their individual actions, but rather for how those actions "reflect on their character". If character (however defined) is the dominant causal factor in determining one's choices, and one's choices are morally wrong, then one should be held accountable for those choices, regardless of genes and other such factors.
In law, there is a known exception to the assumption that moral culpability lies in either individual character or freely willed acts. The insanity defense—or its corollary, diminished responsibility (a sort of appeal to the fallacy of the single cause)—can be used to argue that the guilty deed was not the product of a guilty mind. In such cases, the legal systems of most Western societies assume that the person is in some way not at fault, because his actions were a consequence of abnormal brain function (implying brain function is a deterministic causal agent of mind and motive).
The argument from luck
The argument from luck is a criticism against the libertarian conception of moral responsibility. It suggests that any given action, and even a person's character, is the result of various forces outside that person's control. It may not be reasonable, then, to hold that person solely morally responsible.Thomas Nagel suggests that four different types of luck (including genetic influences and other external factors) end up influencing the way that a person's actions are evaluated morally. For instance, a person driving drunk may make it home without incident, and yet this action of drunk driving might seem more morally objectionable if someone happens to jaywalk along his path (getting hit by the car).
This argument can be traced back to David Hume. If physical indeterminism is true, then those events that are not determined are scientifically described as probabilistic or random. It is therefore argued that it is doubtful that one can praise or blame someone for performing an action generated randomly by his nervous system (without there being any non-physical agency responsible for the observed probabilistic outcome).
Main article: Hard determinism
Hard determinists (not to be confused with Fatalists) often use liberty in practical moral considerations, rather than a notion of a free will. Indeed, faced with the possibility that determinism requires a completely different moral system, some proponents say "So much the worse for free will!".Clarence Darrow, the famous defense attorney, pleaded the innocence of his clients, Leopold and Loeb, by invoking such a notion of hard determinism. During his summation, he declared:
What has this boy to do with it? He was not his own father; he was not his own mother; he was not his own grandparents. All of this was handed to him. He did not surround himself with governesses and wealth. He did not make himself. And yet he is to be compelled to pay.
Paul the Apostle, in his Epistle to the Romans addresses the question of moral responsibility as follows: "Hath not the potter power over the clay, of the same lump to make one vessel unto honour, and another unto dishonour?" In this view, individuals can still be dishonoured for their acts even though those acts were ultimately completely determined by God.
Joshua Greene and Jonathan Cohen, researchers in the emerging field of neuroethics, argue, on the basis of such cases, that our current notion of moral responsibility is founded on libertarian (and dualist) intuitions. They argue that cognitive neuroscience research (e.g. neuroscience of free will) is undermining these intuitions by showing that the brain is responsible for our actions, not only in cases of florid psychosis, but also in less obvious situations. For example, damage to the frontal lobe reduces the ability to weigh uncertain risks and make prudent decisions, and therefore leads to an increased likelihood that someone will commit a violent crime. This is true not only of patients with damage to the frontal lobe due to accident or stroke, but also of adolescents, who show reduced frontal lobe activity compared to adults, and even of children who are chronically neglected or mistreated. In each case, the guilty party can, they argue, be said to have less responsibility for his actions. Greene and Cohen predict that, as such examples become more common and well known, jurors’ interpretations of free will and moral responsibility will move away from the intuitive libertarian notion that currently underpins them.
Greene and Cohen also argue that the legal system does not require this libertarian interpretation. Rather, they suggest that only retributive notions of justice, in which the goal of the legal system is to punish people for misdeeds, require the libertarian intuition. Many forms of ethically realistic and consequentialist approaches to justice, which are aimed at promoting future welfare rather than retribution, can survive even a hard determinist interpretation of free will. Accordingly, the legal system and notions of justice can thus be maintained even in the face of emerging neuroscientific evidence undermining libertarian intuitions of free will.
Neuroscientist David Eagleman maintains similar ideas. Eagleman says that the legal justice system ought to become more forward looking. He says it is wrong to ask questions of narrow culpability, rather than focusing on what is important: what needs to change in a criminal's behavior and brain. Eagleman is not saying that no one is responsible for their crimes, but rather that the "sentencing phase" should correspond with modern neuroscientific evidence. To Eagleman, it is damaging to entertain the illusion that a person can make a single decision that is somehow, suddenly, independent of their physiology and history. He describes what scientists have learned from brain damaged patients, and offers the case of a school teacher who exhibited escalating pedophilic tendencies on two occasions—each time as results of growing tumors. Eagleman also warns that less attractive people and minorities tend to get longer sentencing—all of which he sees as symptoms that more science is needed in the legal system.
Derk Pereboom defends a skeptical position about free will he calls hard incompatibilism. In his view, we cannot have free will if our actions are causally determined by factors beyond our control, or if our actions are indeterministic events—if they happen by chance. Pereboom conceives of free will as the control in action required for moral responsibility in the sense involving deserved blame and praise, punishment and reward. While he acknowledges that libertarian agent causation, the capacity of agents as substances to cause actions without being causally determined by factors beyond their control, is still a possibility, he regards it as unlikely against the backdrop of the most defensible physical theories. Without libertarian agent causation, Pereboom thinks the free will required for moral responsibility in the desert-involving sense is not in the offing. However, he also contends that by contrast with the backward-looking, desert-involving sense of moral responsibility, forward-looking senses are compatible with causal determination. For instance, causally determined agents who act badly might justifiably be blamed with the aim of forming faulty character, reconciling impaired relationships, and protecting others from harm they are apt to cause.
Pereboom proposes that a viable criminal jurisprudence is compatible with the denial of deserved blame and punishment. His view rules out retributivist justifications for punishment, but it allows for incapacitation of dangerous criminals on the analogy with quarantine of carriers of dangerous diseases. Isolation of carriers of the Ebola virus can be justified on the ground of the right to defend against threat, a justification that does not reference desert. Pereboom contends that the analogy holds for incapacitation of dangerous criminals. He also argues that the less serious the threat, the more moderate the justifiable method of incapacitation; for certain crimes only monitoring may be needed. In addition, just as we should do what we can, within reasonable bounds, to cure the carriers of the Ebola virus we quarantine, so we should aim to rehabilitate and reintegrate the criminals we incapacitate. Pereboom also proposes that given hard incompatibilism, punishment justified as general deterrence may be legitimate when the penalties don't involve undermining an agent's capacity to live a meaningful, flourishing life, since justifying such moderate penalties need not invoke desert.
Main article: Compatibilism
Compatibilists contend that even if determinism were true, it would still be possible for us to have free will. The Hindu text The Bhagavad Gita offers one very early compatibilist account. Facing the prospect of going to battle against kinsmen to whom he has bonds, Arjuna despairs. Krishna attempts to assuage Arjuna's anxieties. He argues that forces of nature come together to produce actions, and it is only vanity that causes us to regard ourselves as the agent in charge of these actions. However, Krishna adds this caveat: "... [But] the Man who knows the relation between the forces of Nature and actions, witnesses how some forces of Nature work upon other forces of Nature, and becomes [not] their slave..." When we are ignorant of the relationship between forces of Nature, we become passive victims of nomological facts. Krishna's admonition is intended to get Arjuna to perform his duty (i.e., fight in the battle), but he is also claiming that being a successful moral agent requires being mindful of the wider circumstances in which one finds oneself. Paramahansa Yogananda also said, "Freedom means the power to act by soul guidance, not by the compulsions of desires and habits. Obeying the ego leads to bondage; obeying the soul brings liberation."
In the Western tradition, Baruch Spinoza echoes the Bhagavad Gita's point about agents and natural forces, writing "men think themselves free because they are conscious of their volitions and their appetite, and do not think, even in their dreams, of the causes by which they are disposed to wanting and willing, because they are ignorant [of those causes]." Krishna is hostile to the influence of passions on our rational faculties, speaking up instead for the value of heeding the dictates of one's own nature: "Even a wise man acts under the impulse of his nature. Of what use is restraint?" Spinoza similarly identifies the taming of one's passions as a way to extricate oneself from merely being passive in the face of external forces and a way toward following our own natures.
Daniel Dennett asks why anyone would care about whether someone had the property of responsibility and speculates that the idea of moral responsibility may be "a purely metaphysical hankering".
Mauro suggests that a sense of personal responsibility does not operate or evolve universally among humankind. He argues that it was absent in the successful civilization of the Iroquois.
In recent years, research in experimental philosophy has explored whether people's untutored intuitions about determinism and moral responsibility are compatibilist or incompatibilist. Some experimental work has included cross-cultural studies. However, the debate about whether people naturally have compatibilist or incompatibilist intuitions has not come out overwhelmingly in favor of one view or the other, finding evidence for both views. For instance, when people are presented with abstract cases that ask if a person could be morally responsible for an immoral act when they could not have done otherwise, people tend to say no, or give incompatibilist answers. When presented with a specific immoral act that a specific person committed, people tend to say that that person is morally responsible for their actions, even if they were determined (that is, people also give compatibilist answers).
The neuroscience of free will investigates various experiments that might shed light on free will.
Main article: Collective responsibility
When people attribute moral responsibility, they usually attribute it to individual moral agents. However, Joel Feinberg, among others, has argued that corporations and other groups of people can have what is called ‘collective moral responsibility’ for a state of affairs. For example, when South Africa had an apartheid regime, the country's government might have been said to have had collective moral responsibility for the violation of the rights of non-European South Africans.
Lack of sense of responsibility of psychopaths
One of the attributes defined for psychopathy is "failure to accept responsibility for own actions".
The emergence of automation, robotics and related technologies prompted the question, 'Can an artificial system be morally responsible?' The question has a closely related variant, 'When (if ever) does moral responsibility transfer from its human creator(s) to the system?'.
The questions arguably adjoin with but are distinct from machine ethics, which is concerned with the moral behavior of artificial systems. Whether an artificial system's behavior qualifies it to be morally responsible has been a key focus of debate.
Arguments that artificial systems cannot be morally responsible
Batya Friedman and Peter Kahn Jr posited that intentionality is a necessary condition for moral responsibility, and that computer systems as conceivable in 1992 in material and structure could not have intentionality.
Arthur Kuflik asserted that humans must bear the ultimate moral responsibility for a computer's decisions, as it is humans who design the computers and write their programs. He further proposed that humans can never relinquish oversight of computers.
Frances Grodzinsky et al. considered artificial systems that could be modelled as finite state machines. They posited that if the machine had a fixed state transition table, then it could not be morally responsible. If the machine could modify its table, then the machine's designer still retained some moral responsibility.
Patrick Hew argued that for an artificial system to be morally responsible, its rules for behaviour and the mechanisms for supplying those rules must not be supplied entirely by external humans. He further argued that such systems are a substantial departure from technologies and theory as extant in 2014. An artificial system based on those technologies will carry zero responsibility for its behaviour. Moral responsibility is apportioned to the humans that created and programmed the system.
(A more extensive review of arguments may be found in.)
Arguments that artificial systems can be morally responsible
Colin Allen et al. proposed that an artificial system may be morally responsible if its behaviours are functionally indistinguishable from a moral person, coining the idea of a 'Moral Turing Test'. They subsequently disavowed the Moral Turing Test in recognition of controversies surrounding the Turing Test.
Andreas Matthias described a 'responsibility gap' where to hold humans responsible for a machine would be an injustice, but to hold the machine responsible would challenge 'traditional' ways of ascription. He proposed three cases where the machine's behaviour ought to be attributed to the machine and not its designers or operators. First, he argued that modern machines are inherently unpredictable (to some degree), but perform tasks that need to be performed yet cannot be handled by simpler means. Second, that there are increasing 'layers of obscurity' between manufacturers and system, as hand coded programs are replaced with more sophisticated means. Third, in systems that have rules of operation that can be changed during the operation of the machine.
(A more extensive review of arguments may be found in.)
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