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241.
Matthew King 《The Southern journal of philosophy》2007,45(3):395-412
I propose that an ill‐appreciated contrast between the examples Socrates gives Meno, to show him how he ought to philosophize, is the key to understanding the Meno. I contend that Socrates prefers his definitions of shape to his account of color because the former are concerned with what shape is, while the latter is concerned with how color comes to be. This contrast suggests that Plato intends an analogous contrast between the (properly philosophical) way of inquiry that leads to Socrates' definition of knowledge as “true belief tied down with an account” and the (not properly philosophical) way of inquiry that leads to Socrates' account of how knowledge comes to be, that is, the “theory of recollection.” 相似文献
242.
James M. Joyce 《Synthese》2007,156(3):537-562
Richard Jeffrey long held that decision theory should be formulated without recourse to explicitly causal notions. Newcomb
problems stand out as putative counterexamples to this ‘evidential’ decision theory. Jeffrey initially sought to defuse Newcomb
problems via recourse to the doctrine of ratificationism, but later came to see this as problematic. We will see that Jeffrey’s
worries about ratificationism were not compelling, but that valid ratificationist arguments implicitly presuppose causal decision
theory. In later work, Jeffrey argued that Newcomb problems are not decisions at all because agents who face them possess
so much evidence about correlations between their actions and states of the world that they are unable to regard their deliberate
choices as causes of outcomes, and so cannot see themselves as making free choices. Jeffrey’s reasoning goes wrong because
it fails to recognize that an agent’s beliefs about her immediately available acts are so closely tied to the immediate causes
of these actions that she can create evidence that outweighs any antecedent correlations between acts and states. Once we
recognize that deliberating agents are free to believe what they want about their own actions, it will be clear that Newcomb
problems are indeed counterexamples to evidential decision theory. 相似文献
243.
Kerr DC Washburn JJ Feingold A Kramer AC Ivey AZ King CA 《Journal of abnormal child psychology》2007,35(5):817-830
The consequences of aggression on problem course and suicide risk were examined in 270 acutely suicidal adolescents (ages 12-17 years; 184 girls). Participants were assessed during psychiatric hospitalization (T1), 6-months post-hospitalization (T2), and 15 or more months post-hospitalization (T3). Study variables included self- and parent-reported aggression; self-reported internalizing symptoms, suicidal ideation, suicide attempt, and adverse events; and clinician-rated suicidal behavior. Aggression was not directly related to suicide attempt concurrently or prospectively. However, among more aggressive youth, internalizing symptoms were more predictive of T3 suicide attempt than among less aggressive youth. T1 aggression predicted aggressive incidents and the likelihood of incarceration prior to T3. Two-level hierarchical linear modeling indicated that self-reported aggression and internalizing problems were linked in terms of severity and rates of decline over time. Overall, parent-reported aggression was negatively associated with suicidal ideation. Findings highlight (a) the continuity and consequences of aggression, (b) a possible role of aggression in worsening suicide risk factors and potentiating suicide attempt, and (c) the importance of ongoing research on subtypes of suicidal adolescents. 相似文献
244.
Margaret Rosario Joyce Hunter Shira Maguen Marya Gwadz Raymond Smith 《American journal of community psychology》2001,29(1):133-160
A model is proposed and explored that links the coming-out process to the psychological functioning (i.e., self-esteem and distress) and sexual behaviors of gay, lesbian, and bisexual youths recruited from gay-focused community-based and college organizations in New York City. The coming-out process is multidimensional, consisting, as defined here, of involvement in gay/lesbian activities, attitudes toward homosexuality, comfort with homosexuality, self-disclosure of sexual identity to others, and sexual identity. The coming-out dimensions were related to self-esteem, distress, and unprotected sexual behaviors. In addition, the relations between the coming-out dimensions and unprotected sexual behaviors were explained by psychological functioning. In particular, limited involvement in gay/lesbian activities was associated with more unprotected sex. Negative attitudes toward homosexuality were related directly to more unprotected sex, and they were related indirectly to more unprotected sex by means of increasing emotional distress. These and other findings have implications for designing preventive interventions to increase the youths' psychological functioning and reduce their unprotected sexual behaviors. 相似文献
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246.
Sensorimotor prediction and memory in object manipulation. 总被引:5,自引:0,他引:5
J R Flanagan S King D M Wolpert R S Johansson 《Revue canadienne de psychologie expérimentale》2001,55(2):87-95
When people lift objects of different size but equal weight, they initially employ too much force for the large object and too little force for the small object. However, over repeated lifts of the two objects, they learn to suppress the size-weight association used to estimate force requirements and appropriately scale their lifting forces to the true and equal weights of the objects. Thus, sensorimotor memory from previous lifts comes to dominate visual size information in terms of force prediction. Here we ask whether this sensorimotor memory is transient, preserved only long enough to perform the task, or more stable. After completing an initial lift series in which they lifted equally weighted large and small objects in alternation, participants then repeated the lift series after delays of 15 minutes or 24 hours. In both cases, participants retained information about the weights of the objects and used this information to predict the appropriate fingertip forces. This preserved sensorimotor memory suggests that participants acquired internal models of the size-weight stimuli that could be used for later prediction. 相似文献
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To explore and to clarify the discriminant validity of the sex role egalitarianism construct, the Sex-Role Egalitarianism Scale (SRES) was administered in conjunction with the Attitudes Toward Women Scale (AWS) and eight personality trait measures to 108 individuals. Results indicated a hypothesized curvilinear relationship between scores on the SRES and the AWS. When personality traits were individually regressed on SRES and AWS, SRES scores uniquely accounted for variance in achievement locus of control, and AWS scores uniquely accounted for variance in need for autonomy and need for succorance. Findings were supportive of the viability of sex role egalitarianism as an attitudinal dimension having meaning beyond that of a traditional — feminist dimension. 相似文献