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241.
This study investigated the degree of realism in the confidence judgments of 11 to 12-year-olds (41 girls and 40 boys) of their answers to questions relating to a short film clip showing a kidnapping event. Four different confidence scales were used: a numeric scale, a picture scale, a line scale and a written scale. The results demonstrated that the children showed a high level of overconfidence in their memories. However, no significant differences between the four confidence scales were found. Weak gender differences were found in that the girls were slightly, but significantly, better calibrated than the boys. In addition, although both boys and girls overestimated the total number of memory questions they had answered correctly, the boys gave higher estimates compared with the girls. In brief, the results indicate that, at least in the context investigated, 11-12 year-old children's confidence in and estimations of their own event memory show poor realism (overconfidence and overestimation). A comparison with previous research on adults indicates that 11 to 12-year-old children show noticeably poorer realism. 相似文献
242.
The authors criticize the use of participants' predictive responses during a learning phase as a measure of causal assessments. Simulations demonstrate that a general aim to minimize error as required in the prediction task will produce results in accordance with those observed, in particular apparent cue interaction effects. It is argued that measures estimated from prediction responses do not reflect causal ratings, but are side-effects of learning explained by adaptation in strategy to changes in presented cell frequencies. The results are reinterpreted to be in line with a causal model view, not requiring dual processes or cue competition of lower level associative processes. 相似文献
243.
This paper examines beliefs held by Swedish legal professionals about eyewitness testimony. In a survey including questions about 13 key issues of eyewitness testimony, three groups were investigated: police officers (n = 104), prosecutors (n = 158), and judges (n = 251). The response rate was 74%. Examples of findings are that the beliefs were in line with scientific findings concerning the weapon focus effect, but were not in line for simultaneous vs. sequential lineups. Between-group differences were found for seven items. Judges were much more sceptical than police officers about the reliability and completeness of children's testimonies. The groups seldom agreed about one answer alternative, and they reported not being up to date about scientific research on eyewitness testimony. The results suggest that some important research findings have reached those working on the field. However, they hold many wrongful beliefs about eyewitness testimony, beliefs that might compromise the accuracy of legal decisions. 相似文献
244.
Exceptional memorizers: made,not born 总被引:2,自引:0,他引:2
Anders Ericsson K 《Trends in cognitive sciences》2003,7(6):233-235
In a recent study, Maguire and colleagues failed to find systematic differences in brain anatomy between world-class memory performers and matched control subjects. The world-class performers exhibited distinctive patterns of brain activation during memorization, but these patterns were directly attributable to the experts' unique encoding strategies and acquired memory skills. Discussed here are the implications for broad attainability of highly skilled memory performance in professional and everyday activities. 相似文献
245.
The Rating of Anorexia and Bulimia interview (RAB) is a Swedish semi-structured interview for clinical and research purposes for a wide range of eating disorder symptoms and related psychopathology. The objectives were to evaluate the reliability and validity of a revised RAB version (RAB-R). The RAB-R was assessed in terms of internal consistency, inter-rater and test-retest reliability, and criterion and convergent validity. Samples included a clinical sample of eating disorder patients (n = 71) and a sample of randomly drawn female controls (n = 31). The RAB-R showed satisfactory internal consistency, inter-rater and test-retest reliability, correlated well with related measures, and discriminated between patients and normal controls. We conclude that the RAB-R is a promising interview instrument and continued evaluation should focus on comparing subgroups of eating disorder patients with other clinical groups. 相似文献
246.
Agmo A 《Journal of comparative psychology (Washington, D.C. : 1983)》2003,117(1):3-14
Sexual incentive motivation was evaluated in a procedure consisting of a large open field where incentive animals were confined behind wire mesh openings. When sexually inexperienced male rats (Rattus norvegicus) were exposed to the receptive female-male incentives, they spent more time close to the female. If the incentives were receptive female-nonreceptive female, the receptive female was preferred. However, when the alternatives were nonreceptive female-male, no preference was obtained. Castration abolished preference for the receptive female, and treatment with testosterone propionate restored it. Estradiol plus oil is as efficient as estradiol plus progesterone for giving the ovariectomized female incentive properties. The living female can be replaced with female odor. Sexual experience did not have any long-term effects on the female's incentive value, but immediately preceding limited sexual activity enhanced it 相似文献
247.
Anders Winman 《Scandinavian journal of psychology》1999,40(2):135-145
The aim of this investigation was to study the cognitive processes involved in the "knew-it-all-along" effect, especially in regard to use of inferential processes. The results of three experiments showed that the magnitude of the phenomenon did not increase with more use of inferential processes. It is proposed that only under misleading circumstances do inferential processes associated with overconfidence increase the magnitude of the phenomenon. For a majority of the tasks introspectively classified as solved by pure guessing, the hindsight phenomenon entirely disappeared whereas "intuition" tasks lead to the strongest bias. The results are generally consistent with the accuracy-assessment model (A. Winman et al. , 1998). 相似文献
248.
249.
Cognitive semantics has made important empirical findings about human conceptualization. In this paper some findings concerning moral concepts are analyzed and their implications for medical ethics discussed. The key idea is that morality has to do with metaphors and imagination rather than with well-defined concepts and deduction. It is argued that normative medical ethics to be psychologically realistic should take these findings seriously. This means that an imaginative casuistry is to be preferred compared to principlism and to other forms of casuistry. Furthermore, the metaphorical character of central principles in medical ethics such as autonomy, utility, justice, and integrity is indicated. Such principles are interpreted as rules of thumb summarizing the collective wisdom concerning prototype cases. 相似文献
250.
In a recent issue of this journal, Baranski and Petrusic (1994) presented empirical data revealing overconfidence in sensory discrimination. In this paper, we propose an explanation of Baranski and Petrusic’s results, based on an idiosyncrasy in the experimental setting that misleads subjects who are using an unwarranted symmetry assumption. Experiment 1 showed that when this hypothesis is controlled for, a large underconfidence bias is obtained with Baranski and Petrusic’s procedure. The results of Experiment 2 confirmed that overconfidence is difficult to obtain in subject-controlled sensory discrimination tasks, even for a very low proportion of correct responses. The different results obtained in sensory and cognitive tasks suggest that one should not uncritically draw parallels between confidence in sensory and cognitive judgments. 相似文献