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251.
A. Ross Otto Todd M. Gureckis Arthur B. Markman Bradley C. Love 《Psychonomic bulletin & review》2009,16(5):957-963
Research on dynamic decision-making tasks, in which the payoffs associated with each choice vary with participants’ recent
choice history, shows that humans have difficulty making long-term optimal choices in the presence of attractive immediate
rewards. However, a number of recent studies have shown that simple cues providing information about the underlying state
of the task environment may facilitate optimal responding. In this study, we examined the mechanism by which this state knowledge
influences choice behavior. We examined the possibility that participants use state information in conjunction with changing
payoffs to extrapolate payoffs in future states. We found support for this hypothesis in an experiment in which generalizations
based on this state information worked to the benefit or detriment of task performance, depending on the task’s payoff structure. 相似文献
252.
Rationale: The facilitating effect of multisensory integration on motor responses in adults is much larger than predicted by race‐models and is in accordance with the idea of coactivation. However, the development of multisensory facilitation of endogenously driven motor processes and its relationship to the development of complex cognitive skills in school‐age children is largely unexplored. Method: Twenty adults and 95 children where allocated into six age groups: 6, 7, 8, 9, 10–11 and adults. Participants’ motor reaction times (MRTs) and accuracy in response to the detection of auditory, visual and audiovisual stimuli were recorded. Children's reading accuracy and nonverbal IQ were also assessed. Results: In general, MRTs of children were significantly slower with greater variability than those of adults. Although the average level of multisensory facilitation was similar for all age groups, mean cumulative density functions (CDFs) showed that multisensory facilitation in 6 and 10–11‐year‐olds is within the predictive limits of race‐models. Where coactivation was seen in the CDF of individual children it was not as strong or as consistent as that in adults. The degree of multisensory facilitation did not correlate with age, reading accuracy or IQ. Conclusion: The average level of multisensory facilitation to endogenously driven motor responses does not change gradually with age nor is it related to intelligence or reading accuracy. In general, multisensory integration remains immature until 10–11 years of age and lies within the predicted confines of race‐models. 相似文献
253.
Janice Bowie Barbara Curbow Thomas Laveist Sheila Fitzgerald Kenneth Pargament 《Journal of religion and health》2001,40(4):411-422
In this study, we investigated the relationship between religious coping style and anxiety related to breast cancer and the use of mammography in a sample of African American women. We also assessed the relationship of breast cancer anxiety to related variables such as church affiliation and attendance, church teachings on health, and acceptance of those teachings. 相似文献
254.
Mara Welsh Ross D. Parke Keith Widaman Robin O''Neil 《Journal of School Psychology》2001,39(6):463-482
The relation between social and academic competence was examined in a group of school-age children (N = 163) using structural equation modeling to determine the direction of influence between these two domains across time. A model posing that a reciprocal relation exists between the two domains was tested. The two nested models within the reciprocal model were also tested. To test these models, social acceptance as well as prosocial and aggressive behaviors were assessed by teachers and peers, and children's academic achievement was measured by language and math report-card grades and work skills. Results supported the reciprocal model, indicating that academic achievement directly influenced social competence from both first to second and second to third grade, and social competence was reciprocally related to academic achievement from second to third grade. Implications of these findings for the education process are discussed. 相似文献
255.
Richie Poulton Barry J. Milne Michelle G. Craske Ross G. Menzies 《Behaviour research and therapy》2001,39(12):1395-1410
A longitudinal examination of the relation between separation experiences and the development of separation anxiety at age 3, 11 and 18 years was conducted. Three associative pathways (Rachman, S.J. (1978). Fear and courage. San Francisco: W.H. Freeman) were assessed. Conditioning events were not related to separation anxiety at age 3. Vicarious learning (modelling) in middle childhood (age 9 years) was the conditioning variable most strongly related to separation anxiety at age 11, accounting for 1.8% of the variance in symptoms. Separation experiences (hospitalisations) before the age of 9 were inversely correlated with separation anxiety at age 18. That is, more overnight hospital stays in childhood were related to less separation anxiety in late adolescence. However, none of these conditioning correlates remained significant predictors of separation anxiety in adjusted regression models. In contrast, certain “planned” separations in early–mid childhood were associated with lower levels of separation anxiety at later ages. Generally, the findings were consistent with predictions from the non-associative theory of fear acquisition. That vicarious learning processes appeared to modulate, albeit to a minor degree, the expression of separation anxiety during mid–late childhood suggests that there may be critical periods during which some individuals are susceptible to the interactive effects of both associative and non-associative processes. These findings serve to illustrate the complexity of fear acquisition, the relevance of developmental factors and the likely interplay between associative and non-associative processes in the etiology of fear and anxiety. 相似文献
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258.
Clinical experience with older adults shows that many will experience PTSD symptoms in older adulthood because of trauma exposure early in life. Some of these patients struggled with PTSD in the distant past and remained symptomfree for decades only to have a recurrence of PTSD in late life. This paper outlines a cognitive aging explanation for the recurrence of PTSD. It is proposed that the age-related decreases in attention make the intrusion of trauma-related memories more likely. The increase in intrusive memories, combined with age-related decreases in working memory, explicit memory, and prospective memory, increases the subjective distress associated with the memories and results in a recurrence of PTSD. 相似文献
259.
Sheila Spong 《Counselling and Psychotherapy Research》2010,10(1):67-74
Aim: It is only relatively recently that discourse analysis has begun to rise to prominence in the fields of counselling and psychotherapy. This paper briefly explains ways of understanding discourse analysis, discussing what the approach can offer counselling research and practice. Approach: An initial categorisation of recent discourse analysis studies is offered, to demonstrate diverse ways in which this type of research can address issues relevant to counselling practice. The five categories proposed range from the examination of language use in therapy to analyses that focus on the social structures, meanings and power relations related to therapy. Implications: The paper demonstrates that through the critical analysis of counselling sessions, research interviews, written texts and other materials, discourse analysis can provide insight into ways in which counselling operates as a social practice, and so help counsellors to contextualise their work within broader social structures and processes. 相似文献
260.