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1.
Fang Cui Kexin Deng Jie Liu Xiaoxuan Huang Jiamiao Yang Yue-jia Luo Chunliang Feng Ruolei Gu 《British journal of psychology (London, England : 1953)》2023,114(4):778-796
Previous studies examining the relationship between ingroup bias and resource scarcity have produced heterogeneous findings, possibly due to their focus on the allocation of positive resources (e.g. money). This study aims to investigate whether ingroup bias would be amplified or eliminated when perceived survival resources for counteracting negative stimuli are scarce. For this purpose, we exposed the participants and another confederate of the experimenters (ingroup/outgroup member) to a potential threat of unpleasant noise. Participants received some ‘relieving resources’ to counteract noise administration, the amount of which may or may not be enough for them and the confederate in different conditions (i.e. abundance vs. scarcity). First, a behavioural experiment demonstrated that intergroup discrimination manifested only in the scarcity condition; in contrast, the participants allocated similar amounts of resource to ingroup and outgroup members in the abundance condition, indicating a context-dependent allocation strategy. This behavioural pattern was replicated in a follow-up neuroimaging experiment, which further revealed that when contrasting scarcity with abundance, there was higher activation in the anterior cingulate cortex (ACC) as well as stronger functional connectivity of the ACC with the empathy network (including the temporoparietal junction and medial prefrontal cortex) for ingroup compared to outgroup members. We suggest that ACC activation reflects the mentalizing process toward ingroup over outgroup members in the scarcity condition. Finally, the ACC activation level significantly predicted the influence of resource scarcity on ingroup bias in hypothetical real-life situations according to a follow-up examination. 相似文献
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Ariely D Au WT Bender RH Budescu DV Dietz CB Gu H Wallsten TS Zauberman G 《Journal of experimental psychology. Applied》2000,6(2):130-147
The average probability estimate of J > 1 judges is generally better than its components. Two studies test 3 predictions regarding averaging that follow from theorems based on a cognitive model of the judges and idealizations of the judgment situation. Prediction 1 is that the average of conditionally pairwise independent estimates will be highly diagnostic, and Prediction 2 is that the average of dependent estimates (differing only by independent error terms) may be well calibrated. Prediction 3 contrasts between- and within-subject averaging. Results demonstrate the predictions' robustness by showing the extent to which they hold as the information conditions depart from the ideal and as J increases. Practical consequences are that (a) substantial improvement can be obtained with as few as 2-6 judges and (b) the decision maker can estimate the nature of the expected improvement by considering the information conditions. 相似文献
4.
Amador-Campos JA Forns-Santacana M Martorell-Balanzó B Guàrdia-Olmos J Peró-Cebollero M 《Psychological reports》2005,97(3):847-860
Confirmatory factor analysis examined the factor structure of DSM IV Attention Deficit Hyperactivity Disorder symptoms and analyzed the differences in informants' ratings of ADHD symptoms by children's age and sex. A sample of 1,018 Spanish school children, 574 girls and 444 boys, ages 4 to 12 years, was rated by teachers and parents. Confirmatory factor analysis showed a similar fit for the three-factor model of Inattention, Hyperactivity, and Impulsivity (teachers: CFI = .976, RMR = .041, % of total variance = 83.2; parents: CFI = .969, RMR = .037, % of total variance = 82.7) and for the two-factor model of Inattention and Hyperactivity Impulsivity (teachers: CFI = .958, RMR = .044, % of total variance = 79.3; parents: CFI = .961, RMR = .038, % of total variance, 79.9). The two-factor model was selected as a parsi monious representation of the teachers' and parents' ratings of ADHD symptoms. Analyses of variance indicated significant differences in teachers' and parents' mean ratings across sex and school grades of children. 相似文献
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Although positive effect of touch on compliance has been widely reported, new evaluation was made with an unusual request. 80 male bus drivers were solicited by a male or a female confederate to take the bus despite having too little money for the fare. Bus drivers were briefly touched by the confederate during solicitation. Analysis showed that bus drivers who were touched accepted the request more favorably but only when made by a female. 相似文献
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Camilo Charron Aurélie Festoc Nicolas Guéguen 《Transportation Research Part F: Traffic Psychology and Behaviour》2012,15(6):635-643
In order to ascertain whether or not child pedestrians voluntarily take risks, a street-crossing task in an urban environment with vehicle traffic was administered individually to 80 children aged 10 years using a pedestrian simulator. The task, which was presented as a contest, consisted of attaining two objectives in a limited time. The subjects were divided into three conditions that differed only in the number of constraints that had to be taken into account in order to win the contest. The data show that the degree of urgency felt, measured by the amount of time taken, increased as the number of constraints increased. At the same time, the frequency of two of the risky behaviors (not using the pedestrian crossing, running across the road) increased, whereas the frequency of observation failures was independent of the condition. Not using the pedestrian crossing and running across the road were therefore deliberately taken risks, whereas observation failures can be attributed to a control deficit. The discussion includes suggestions for training. 相似文献
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Nicolas Guéguen 《Psychological studies》2012,57(4):369-375
Previous research on the effect of hair color on people??s evaluation and behavior has revealed discrepant results and the real effect of both male and female hair color on their mating attractiveness has never been tested. In Study 1, female confederates wearing blond, brown, black or red colored wigs were observed while sitting in a nightclub. In Study 2, male confederates wearing different colored wigs asked women in a nightclub for a dance. It was found that blond women were more frequently approached by men whereas blond males did not receive more acceptances to their requests. However, in both conditions, red hair was associated with less attractiveness. Evolutionary theory and differences in mating preferences are used to explain the blond hair effect. Scarcity of red-haired individuals in the population and negative stereotypes associated with red hair are used to explain the negative effect of red hair. 相似文献
10.
When participants are asked to recall lists of items in the reverse order, known as backward recall, several benchmark memory phenomena, such as the word length effect, are abolished (Bireta et al. Memory & Cognition 38:279–291,
2010). Bireta et al. (Memory & Cognition 38:279–291, 2010) suggested that in backward recall, reliance on order retention is increased at the expense of item retention, leading to
the abolition of item-based phenomena. In a subsequent study, however, Guérard and Saint-Aubin (in press) showed that four lexical factors known to modulate item retention were unaffected by recall direction. In a series of five
experiments, we examined the source of the discrepancy between the two studies. We revisited the effects of phonological similarity,
word length, articulatory suppression, and irrelevant speech, using open and closed pools of words in backward and forward
recall. The results are unequivocal in showing that none of these effects are influenced by recall direction, suggesting that
Bireta et al.’s (Memory & Cognition 38:279–291, 2010) results are the consequence of their particular stimuli. 相似文献