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211.
M. L. Matthews 《Attention, perception & psychophysics》1969,6(3):160-162
Ability to discriminate between the sizes of two adjacently presented discs of light is considered both as a function of the size of the discs and the retinal locus of their presentation. Ss were required to report whether a comparison disc was seen as larger or the same size as a standard disc when the two were presented briefly together. Results showed that the and required for 50% difference discrimination was independent of the size of the disc and was constant at about 30 sec of arc. For peripheral presentations, the jnd was found to increase in a linear manner with increasing eccentricity of presentation. Comparisons are drawn between the results obtained and peripheral visual acuity data and it is speculated that similar processes are involved in both situations. 相似文献
212.
W. A. Matthews 《Quarterly journal of experimental psychology (2006)》1966,18(1):31-38
Two experiments on the short-term free recall of 12-word associated and non-associated lists are reported. Degree of association (derived from norms obtained by continuous controlled association) and word frequency were varied. Significant facilitation as a result of the associative manipulations was obtained and clustering of the responses was positively related to this. Clustering was also affected by the method of presentation of the associated words; this occurred more often when they were grouped in presentation than when they were presented randomly arranged among other words in the list. Low frequency associated word lists were generally found to be more efficiently recalled than those of comparable association values but consisting of high frequency words. 相似文献
213.
Veronica Margherita Cocco Elisa Bisagno Emilio Paolo Visintin Alessia Cadamuro Gian Antonio Di Bernardo Soraya Elizabeth Shamloo Elena Trifiletti Luisa Molinari Loris Vezzali 《Journal of community & applied social psychology》2023,33(2):186-201
We conducted a vicarious contact intervention with the aim of promoting bystanders' intentions to react to stigma-based bullying among schoolchildren. Participants were Italian primary schoolchildren (N = 117 first to third graders); the outgroup was represented by foreign children. Vicarious contact was operationalized with story reading, creating fairy tales on stigma-based bullying where minority characters were bullied by majority characters. Once a week for 3 weeks, participants were read fairy tales in small groups by an experimenter and engaged in reinforcing activities. Results revealed that the intervention increased intergroup empathy (but not intergroup perspective-taking) and anti-bullying peer norms and fostered contact intentions. The intervention also had indirect effects via intergroup empathy on helping and contact intentions and on bystanders' reactions to stigma based-bullying. We discuss theoretical and practical implications, also in terms of the relevance of the present results for school policy. Please refer to the Supplementary Material section to find this article's Community and Social Impact Statement . 相似文献
214.
Loris Vezzali Stefano Pagliaro Gian Antonio Di Bernardo Shelley McKeown Veronica Margherita Cocco 《European journal of social psychology》2023,53(3):450-470
We tested, in three studies, whether the generalization of contact effects from primary to secondary outgroups—the secondary transfer effect (STE)—occurs for collective action. The results supported a serial mediation model: contact with immigrants by advantaged group members (Italians: Study 1, N = 146, 121 females, Mage = 28.31 years; Study 3, N = 406, 239 females, Mage = 36.35; British people, Study 2, N = 160, 113 females, Mage = 32.31) was associated with lower perceived moral distance toward primary outgroups, which in turn was associated with more positive attitudes and greater collective action intentions toward primary outgroups, and lower perceived moral distance toward secondary outgroups. Lower perceived moral distance toward secondary outgroups and stronger collective action intentions toward the primary outgroup were associated with higher collective action intentions toward secondary outgroups (results were inconsistent for attitudes). We discuss the findings with a focus on how a consideration of perceived moral distance extends current theorizing, and the relevance of generalized prejudice for the STE. 相似文献
215.
Results from research with the flanker task have been used to argue both that flankers are identified without attention and that flanker identificatin requires attention. In three experiments, we addressed this issue by examining flanker recall. In Experiment 1, we manipulated flanker redundancy, a variable that could influence attention to the flankers, in order to determine whether it affected the magnitude of the flanker effect, the magnitude of flanker recall, or both. Redundancy did not influence the flanker effect, and recall was high in both conditions, suggesting that the flankers were attended. The recall results contradicted those of Miller (1987), the only other study that we could find in which flanker recall was used. In Experiments 2 and 3, we examined differences between Miller’s procedure and ours. Although flanker recall was lower when open-ended rather than forced recall was used and when the flanker task was made more complicated, flanker recall remained well above chance in all conditions. The data strongly suggest that in the typical correlated flanker task there is a failure of selective attention at some point during processing such that flankers receive attentional processing. 相似文献
216.
Gerald Matthews 《Psychonomic bulletin & review》1996,3(3):339-343
Signal probability is an important influence on vigilance. Typically, higher signal probability is associated with higher hit rate, lower response criterion, and lower response:signal ratio. However, signal probability effects on demanding, high-workload vigilance tasks have not been investigated. It is believed that attentional resources become depleted during performance of such tasks, leading to perceptual sensitivity decrements. Forty subjects performed high- (.35) and low- (.10) probability versions of a demanding vigilance task. Results differed in two important respects from those previously obtained with less demanding tasks. First, the decrement in perceptual sensitivity over time was greater for the high-probability task. Second, there were no effects of signal probability on response criterion. Subjective workload was higher for the high-probability task. Implications of the data for resource-depletion and expectancy theories of vigilance are discussed. 相似文献
217.
The spatial cognitive map theory of O’Keefe and Nadel (1978) predicts that lesions of the hippocampal system should impair learning on spatial tasks but not learning on nonspatial tasks. However, there is evidence that such lesions can facilitate learning on certain nonspatial tasks. Their theory does not predict such facilitation. Nevertheless, it is reasonable to expect that animals possessing a spatial cognitive map would have an inherent bias to engage a mapping strategy and thus be at a disadvantage on certain nonspatial tasks in comparison with animals without the mapping capacity and bias. In the present study, fimbria/fornix lesions impaired learning on a spatial task, but actually facilitated learning on a nonspatial task of equal difficulty. Thus, brain lesions that interfere with map functioning can facilitate learning on tasks for which a mapping strategy interferes with task solution. The results require a modification of the spatial cognitive map theory. 相似文献
218.
Donald R. Atkinson Susana Lowe Linda Matthews 《Journal of multicultural counseling and development》1995,23(3):130-138
Neither acculturation nor gender were found to significantly relate to Asian-American willingness to see a counselor for either a personal or an academic problem. Participants were more willing to see a counselor for an academic problem than for a personal problem. 相似文献
219.
220.