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171.
Glyn V. Thomas Derek Robertson David A. Lieberman 《The Quarterly Journal of Experimental Psychology Section B: Comparative and Physiological Psychology》1990,42(3):267-287
Pigeons were trained on trace conditioning procedures (autoshaping) in which a keylight conditioned stimulus (CS) was presented for 5 sec and followed after a 10-sec temporal gap by food. In Experiment 1, acquisition of conditioned responding to the CS was facilitated when it was immediately followed by a brief stimulus, but only when the brief stimulus was of greater intensity than the trace CS. In Experiment 2, this facilitation effect was found when a more intense brief stimulus followed the trace CS immediately, but not when it was delayed. In both experiments, responding to the target CS was compared within-subjects to that to a control CS, which eliminated factors such as second-order conditioning as an explanation for the facilitation effects. Together, the results of Experiments 1 and 2 suggest that a brief stimulus may mark immediately preceding events in memory and thus facilitate their association with delayed reinforcement only if the brief stimulus is relatively more intense, and thus more salient, than the target events. In Experiment 3, we found substantial generalization of this facilitation effect from the marked CS to the control CS and conclude that the results of Experiments 1 and 2 may underestimate the magnitude of these marking effects. 相似文献
172.
D Humphry 《Suicide & life-threatening behavior》1992,22(1):125-129
Old age, in and of itself, should never need to be a cause for self-destruction. But suicide and assisted suicide carried out in the face of terminal illness causing unbearable suffering should be ethically and legally acceptable. This paper outlines a perspective on rational suicide--the final exit--among the elderly. 相似文献
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Gerard J Molloy Marie Johnston Derek W Johnston Beth Pollard Val Morrison Debbie Bonetti Sara Joice Ron MacWalter 《Health psychology》2008,27(2):286-290
OBJECTIVE: This study examined whether spousal confidence in care-recipient recovery can predict recovery from activity limitations following stroke and how spousal confidence relates to stroke survivor self-efficacy for recovery. DESIGN: A prospective design was used. Measures were gathered from stroke survivor/spouse dyads at two time points, both postdischarge from the hospital following stroke (N=109). MAIN OUTCOME MEASURES: The dependent variable was recovery from ambulatory activity limitations over 6 weeks, as measured by the Functional Limitations Profile. A single spousal confidence item was tailored to an ambulatory behavior that the stroke survivors could not perform at Time 1. RESULTS: Spousal confidence was correlated with ambulation recovery (r=-0.23, p<.05) and stroke survivor self-efficacy for recovery (r=.25, p<.05). Higher spousal confidence was associated with a better recovery and greater stroke survivor self-efficacy for recovery, but not with initial health status or practical support received. CONCLUSION: The relationship between caregiver confidence, care-recipient self-efficacy for recovery, and recovery outcomes needs further elucidation. 相似文献
176.
Derek A. McDougall 《Philosophical Investigations》2014,37(2):113-129
In his exceptionally well‐received history of analytic philosophy,1 Scott Soames presents accounts of the work of Wittgenstein and Ryle that rest on his acceptance of metaphysical preconceptions that these philosophers implicitly question in their writings. Their shared expressive third‐person treatments of the mind, for example, serve to emphasise the inadequacy of Soames's distinction between private mental states and physical states/behaviour, which he regularly employs in assessing their views. His treatment of Gilbert Ryle in particular, reflects the radically different conceptions held by Ryle and Soames of the nature of philosophical investigation. Soames charges Ryle with a failure to recognise the distinction between the necessary and the analytic. He also harbours a clear understanding that philosophical problems arise naturally and directly from “our ordinary ways of thinking,”2 where these ways of thinking, the reader discovers, involve metaphysical preconceptions. This is at odds with Ryle's claim that certain category mistakes, playing the role, roughly, of Wittgenstein's misleading pictures, underlie some of the main problems of philosophy. The purpose of this paper is to assess how well Ryle, occasionally aided by Wittgenstein, can be seen to parry Soames's direct onslaught on his work in parts of Dilemmas and in The Concept of Mind. 相似文献
177.
Derek Baker 《Ratio》2015,28(1):65-80
Joseph Raz and Sergio Tenenbaum argue that the Guise of the Good thesis explains both the possibility of practical reason and its unity with theoretical reason, something Humean psychological theories may be unable to do. This paper will argue, however, that Raz and Tenenbaum face a dilemma: either the version of the Guise of the Good they offer is too strong to allow for weakness of will, or it will lose its theoretical advantage in preserving the unity of reason. 1 相似文献
178.
Personality Certainty and Politics: Increasing the Predictive Utility of Individual‐Difference Inventories
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Brittany L. Shoots‐Reinhard Richard E. Petty Kenneth G. DeMarree Derek D. Rucker 《Political psychology》2015,36(4):415-430
Research on political psychology has benefitted from using individual‐difference measures to predict political attitudes and behavior. And, previous research has further identified a number of specific variables that enhance the predictive utility of individual‐difference scales. However, a potentially important factor that has been overlooked is the certainty with which people make their responses. The present research establishes that the certainty with which people respond to scales is associated with stability of the scale responses over time and correspondence between the scale and related outcomes. In addition, the effects of certainty in political ideological identification in predicting politically relevant outcomes hold when controlling for a number of previously established moderators. This research suggests that measuring certainty in answers to individual‐difference scales can be a useful and efficient way to increase the predictive utility of those scales within the political domain and beyond. This benefit is demonstrated with need for cognition (Study 1), need to evaluate (Study 2), and ideological identification (Studies 2 and 3). 相似文献
179.
Precipitating Circumstances of Suicide among Active Duty U.S. Army Personnel Versus U.S. Civilians, 2005–2010
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Joseph E. Logan PhD Nancy A. Skopp PhD Mark A. Reger PhD Matt Gladden PhD Derek J. Smolenski PhD C. Faye Floyd EdD Gregory A. Gahm PhD 《Suicide & life-threatening behavior》2015,45(1):65-77
To help understand suicide among soldiers, we compared suicide events between active duty U.S. Army versus civilian decedents to identify differences and inform military prevention efforts. We linked 141 Army suicide records from 2005 to 2010 to National Violent Death Reporting System (NVDRS) data. We described the decedents’ military background and compared their precipitators of death captured in NVDRS to those of demographically matched civilian suicide decedents. Both groups commonly had mental health and intimate partner precipitating circumstances, but soldier decedents less commonly disclosed suicide intent. 相似文献
180.