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891.
Nevin JA Milo J Odum AL Shahan TA 《Journal of the experimental analysis of behavior》2003,79(3):307-321
Pigeons were trained on multiple schedules in which responding on a center key produced matching-to-sample trials according to the same variable-interval 30-s schedules in both components. Matching trials consisted of a vertical or tilted line sample on the center key followed by vertical and tilted comparisons on the side keys. Correct responses to comparison stimuli were reinforced with probability .80 in the rich component and .20 in the lean component. Baseline response rates and matching accuracies generally were higher in the rich component, consistent with previous research. When performance was disrupted by prefeeding, response-independent food during intercomponent intervals, intrusion of a delay between sample and comparison stimuli, or extinction, both response rates and matching accuracies generally decreased. Proportions of baseline response rate were greater in the rich component for all disrupters except delay, which had relatively small and inconsistent effects on response rate. By contrast, delay had large and consistent effects on matching accuracy, and proportions of baseline matching accuracy were greater in the rich component for all four disrupters. The dissociation of response rate and accuracy with delay reflects the localized impact of delay on matching performance. The similarity of the data for response rate and accuracy with prefeeding, response-independent food, and extinction shows that matching performance, like response rate, is more resistant to change in a rich than in a lean component. This result extends resistance to change analyses from the frequency of response emission to the degree of stimulus control, and suggests that the strength of discriminating, like the strength of responding, is positively related to rate of reinforcement. 相似文献
892.
The received view is that psychology has undergone several scientific revolutions similar to those that occurred in the physical sciences. Of these, this paper will consider the cognitive revolution. Because the arguments in favor of the existence of a cognitive revolution are cast using the concepts and terms of revolutionary science, we will examine the cognitive revolution using accounts of revolutionary science advanced by five influential philosophers of science. Specifically, we will draw from the philosophical positions of Popper, Kuhn, Lakatos, Laudan, and Gross for the purpose of discussion. We conclude that no substantive revolution took place according to these accounts. This conclusion is based on data gathered from some of the major participants in the "cognitive revolution" and on a general scholarly survey of the literature. We argue that the so-called cognitive revolution is best characterized as a socio-rhetorical phenomenon. 相似文献
893.
Conoley CW Graham JM Neu T Craig MC O'Pry A Cardin SA Brossart DF Parker RI 《Family process》2003,42(3):361-374
The efficacy of Solution-Focused Family Therapy (SFFT) for helping three families with aggressive and oppositional-acting children (aged 8-9) was examined. The N = 1 multiple-baseline design with three replications used validated measures, a treatment manual, and a treatment integrity measure. The interventions lasted from four to five sessions. SFFT appeared to be effective with the families at post-treatment and 3-month follow up. 相似文献
894.
Inhibition of return in children and adolescents 总被引:4,自引:0,他引:4
Inhibition of return (IOR), slowed responding to targets at a cued location after attention is removed from this location, has been shown to occur both in adults and in infants. To explore suggestion that the timecourse of IOR depends on factors that might affect the efficiency with which attention is removed from the cued location, we compared the performance of young children (5-10-year-olds, N=49, M=8 years, 4 months) to older children and adolescents (11-17-year-olds, N=61, M=14 years) in single and double cue procedures. Cue-target interval was varied to measure the timecourse of IOR in this within-subjects localization task. Whereas no IOR was found in the young group unless a double cue procedure was used, in the older group, we found IOR at all intervals with the double cue procedure and the typical crossover pattern, with early facilitation followed by inhibition in the single cue procedure. 相似文献
895.
Amy Kind 《Philosophical Studies》2003,115(3):225-244
Representationalists often use intuitions about the transparency ofexperience to defend their view that qualitative content isrepresentational content. According to these intuitions, wecannot attend to our experience except by attending to theobject of that experience. Although the transparency intuitionappears to be widely shared, even among non-representationalists,in this paper I suggest that there are two ambiguities inherent indiscussions of transparency. One concerns the strength of thetransparency intuition, while the other concerns its scope. Oncewe bring these two ambiguities to the surface, we can see that therepresentationalists claim that experience is transparent turnsout to be considerably more controversial than ordinarily supposed.While the phenomenological data may support some kind of experientialtransparency, I argue that it does not support the kind of transparencyneeded for representationalism. 相似文献
896.
Bovi AM;Council on Ethical Judicial Affairs of the American Medical Association 《The American journal of bioethics : AJOB》2003,3(3):W-IF3
This report offers recommendations to physicians who provide information or services through online sites. The recommendations maintain that physicians responsible for health-related information should ensure that it is accurate, timely, reliable, and scientifically sound. Also, advice to the online users with whom physicians do not have pre-existing relationships or the use of decision-support programs that generate personalized information directly transmitted to users should be consistent with general and specialty-specific standards. In particular, these standards address truthfulness, protection of privacy, informed consent, and disclosures including limitations inherent in the technology. Finally, physicians who establish or are involved in health-related online sites must minimize conflicts of interest and commercial biases and, if patient specific information is transmitted, they must provide high-level security protections, as well as privacy and confidentiality safeguards. 相似文献
897.
Naglieri JA Drasgow F Schmit M Handler L Prifitera A Margolis A Velasquez R 《The American psychologist》2004,59(3):150-162
The Internet has significantly changed the way people conduct business, communicate, and live. In this article, the authors' focus is on how the Internet influences the practice of psychology as it relates to testing and assessment. The report includes 5 broad sections: background and context, new problems yet old issues, issues for special populations, ethical and professional issues, and recommendations for the future. Special attention is paid to implications for people with disabling conditions and culturally and linguistically diverse persons. The authors conclude that ethical responsibilities of psychologists and current psychometric standards, particularly those regarding test reliability and validity, apply even though the way in which the tests are developed and used may be quite different. 相似文献
898.
Although individual cognitive biases toward threat in social anxiety are well established, few studies have examined the manner in which cognitive biases work in conjunction. In the present study, socially anxious ( n = 54 ) and nonanxious ( n = 58 ) individuals read 10 passages consisting of positive social or evaluative, negative social or evaluative, and neutral content and completed two cognitive tasks assessing memory of factual details and interpretation immediately and after 48 h. Socially anxious and nonanxious individuals did not differ in their memory for details presented in the passages. However, they made less positive and more negative interpretations of details included in the passages, particularly in positive passages that were self-relevant and particularly in positive passages after the delay. After including depression, state anxiety, and trait anxiety as covariates, biased interpretation of positive passages after the time delay remained significant, but biased interpretation of the self-relevant, positive passages did not. It is concluded that socially anxious individuals are characterized by accurate memory of threatening, factual material, but that they impose a biased interpretation upon that material, especially after some time has passed. 相似文献
899.
Interactive effects of personality and perceptions of the work situation on workplace deviance 总被引:1,自引:0,他引:1
Colbert AE Mount MK Harter JK Witt LA Barrick MR 《The Journal of applied psychology》2004,89(4):599-609
Previous research on workplace deviance has examined the relationship of either personality or employees' situational perceptions with deviant behavior. In this study, the authors focused on the joint relationship of personality and perceptions of the work situation with deviant behavior. Using 4 samples of employees and multiple operationalizations of the core constructs, the authors found support for the hypothesis that positive perceptions of the work situation are negatively related to workplace deviance. In addition, consistent with hypotheses, the personality traits of conscientiousness, emotional stability, and agreeableness moderated this relationship. Specifically, the relationship between perceptions of the developmental environment and organizational deviance was stronger for employees low in conscientiousness or emotional stability, and the relationship between perceived organizational support and interpersonal deviance was stronger for employees low in agreeableness. 相似文献
900.
The authors predicted that mothers' evaluative comments would affect their preschool-aged children's learning during a craft-making activity. Each mother (N = 67) taught her child 6 crafts in a playroom in a university setting. Three weeks later, the child returned to the playroom to redo the crafts. Evaluators tested the children's memories of the procedures for completing the crafts. The authors used videotapes of the mothers' teaching to code for statements that positively evaluated their children's performances (praise) or that negatively evaluated their children's performances (criticism). Maternal praise did not affect children's memories. Maternal criticism did not affect their daughters' memories. However, sons were more likely to more accurately redo craft steps for which their mothers had made at least 1 comment criticizing their performances. The authors proposed that emotional arousal was a reason for girls' and boys' differential responses to maternal criticism. 相似文献