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The present experiments examine how irrelevant variations within a stimulus set interfere with performance in a selective attention task. Second graders, fifth graders, and adults were administered a discrete trial version of a selective attention task in which they were required to search for an object that matched the prime on the targeted dimension. The stimuli in the first experiment were constructed from spatially integrated dimensions whereas the second experiment used spatially separated dimensions. The results indicated that while the spatially separated dimensions were perceived independently by all age groups, developmental differences in perceived structure were evident with the spatially integrated dimensions. Problems associated with response selection were a major source of interference with both types of stimuli, but the severity of the interference varied with the age of the perceiver and the nature of the stimuli. The developmental implications of these findings were considered. 相似文献
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Bryan S. Rennie 《Religion》1992,22(4)
Adriana Berger has attacked Mircea Eliade's connection with the Romanian right-wing movement, the Iron Guard, or Legion of the Archangel Michael. Her article ‘Fascism and religion in Romania’, makes much of certain British Foreign Office documents which I have inspected in detail. Not only do these documents fail to corroborate Berger's conclusions but they cast real doubt on Berger's critical detachment. Her claim that Eliade was detained in England because of his political activities on behalf of the Iron Guard, and also of Nazi Germany, is without foundation. Other insinuations which she has made about Eliade's political motivations are subject to alternative interpretations. Eliade undoubtedly was vehemently nationalist in his youth and gave some support to the Legion of the Archangel Michael. However, we must constantly guard against permitting our pre-existent judgements of nationalism and fascism to dictate our reading of historical event. Even if justified, prejudice is still prejudice and is not acceptable scholarship. 相似文献
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Mental health professionals who lack medical training may also lack knowledge and understanding of the potential utility of medications in the treatment of emotional disturbance. They may also lack information regarding the effects and side-effects of medications which their clients may already be taking, or be uncertain when the nature of their client's situation suggests a psychiatric assessment regarding drug therapy. This paper offers an educational review in one such area: the pharmacological treatment of depression. It includes a brief review of theories regarding the aetiology of affective disorder, examines the methodes, mechanisms and efficacy of anti-depressants, and draws conclusions regarding the appropriate use of pharmacological treatment. 相似文献
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In two experiments, a speeded sorting task was administered to children. In each sorting, the child was instructed to sort a deck of cards according to values on one dimension while the values of a second irrelevant dimension were held constant, were correlated, or were varied orthogonally. Experiment 1 evaluated developmental changes in perceived structure as compared with such changes in the control of attention. Different groups of kindergarten, 2d-, and 5th-grade children performed the task with spatially integrated vs spatially separated dimensions. The results indicate that with spatially integrated dimensions there is a trend from holistic to featural perception and an increase in attentional control with increasing age. Spatially separate dimensions are perceived dimensionally at all ages, but show a trend in attentional development. In Experiment 2, the spatially integrated dimensions of Experiment 1 were made separable by portraying different targets within a configuration in different colors. The theoretical implications of the results are discussed. 相似文献
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Aubrey J. Yates Peter J. Smith Bryan D. Burke Maureen A. Keane 《Behavior research methods》1969,1(7):257-258
Procedures are described for the generation, synchronization. and accurate spacing of discrete dichotic stimulation material. A suggested standard definition of interpair interval is proposed. 相似文献
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The open field is a common test of fear, but the apparatus varies widely. Lines painted on the floor facilitate measurement of locomotion (areas entered), but, though some animals balk at lines, this variable has received little attention. In Experiment 1, 10-day-old female chicks were tested individually in an open field with an unmarked floor or one delineated into areas by 1- or 3-mm-wide black lines. In Experiment 2, chicks were tested in pairs in the presence or absence of 3-mm-wide lines. Strong intraindividual correlations demonstrated that both paces and areas entered are effective measures of locomotion. Chicks tested individually were unaffected by the presence or width of lines. Conversely, pair-tested chicks paced and pecked more when the floor was delineated. Given the latter findings, some standardization is recommended. 相似文献
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The present experiment investigated the impact of the Control Question Test (CQT) and the Guilty Knowledge Test (GKT) on the verdicts of mock jurors. Although studies have indicated that polygraph evidence has little influence on jurors' verdicts (Cavoukian & Heselgrave, 1980; Spanos, Myers, Dubreuil, & Pawlak, 1992–1993), no research has previously distinguished between the different types of polygraph tests and their impact on juror verdicts. In the present study, jurors were shown a videotape of a simulated rape-murder trial that contained either CQT polygraph evidence, GKT polygraph evidence, or no polygraph evidence. No differences were found among the 3 conditions for either jury verdicts or individual juror verdicts, and jurors tended to rate both forms of polygraph testimony below other forms of equally suspect evidence, such as eyewitness testimony, in its influence on their decision-making process. 相似文献