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The effects of reinforcement on delayed matching to sample (DMTS) have been studied in two within-subjects procedures. In one, reinforcer magnitudes or probabilities vary from trial to trial and are signaled within trials (designated signaled DMTS trials). In the other, reinforcer probabilities are consistent for a series of trials produced by responding on variable-interval (VI) schedules within multiple-schedule components (designated multiple VI DMTS). In both procedures, forgetting functions in rich trials or components are higher than and roughly parallel to those in lean trials or components. However, during disruption, accuracy has been found to decrease more in rich than in lean signaled DMTS trials and, conversely, to decrease more in lean than in rich multiple VI DMTS components. In the present study, we compared these procedures in two groups of pigeons. In baseline, forgetting functions in rich trials or components were higher than and roughly parallel to those in lean trials or components, and were similar between the procedures. During disruption by prefeeding or extinction, accuracy decreased more in rich signaled DMTS trials, whereas accuracy decreased more in lean multiple VI DMTS components. These results replicate earlier studies and are predicted by a model of DMTS from Nevin, Davison, Odum, and Shahan (2007). 相似文献
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Rosario Diaz-Greenberg Jacqueline Thousand Maria Cardelle-Elawar Ann Nevin 《Teaching and Teacher Education》2000,16(8):663
The purpose of this paper is to help teachers better understand the struggles that people with disabilities experience in attaining their educational goals and to encourage the development of teaching and learning strategies that help to respect and facilitate the struggle itself. The authors share the generative themes that emerged using a critical pedagogy approach (dialogic interviews) to elicit the voices of adults with disabilities speaking about their public school experiences. In discussing the implications for teachers, the authors show the intersections of educational psychology's concept self-regulation and critical pedagogy's concept conscientization and special education’ s concept self-determination. Why the ‘struggle’ itself is important (from the perspectives provided by conscientization, self-regulation, and self determination) is discussed.The major question is whether or not teachers can structure the awareness process that results in learners becoming aware enough to verbalize, “I have difficulties”. What do teachers do to stimulate the metacognitive thinking processes that makes it possible for students with disabilities to think, “I can monitor myself!”? How can teachers capture the power of the conscientization experience that leads students with disabilities to experience the generative will power “to use the powers that I have to make a difference in my life's situation?” How do adults with disabilities come to these kinds of awareness and how can teachers help facilitate the awareness? 相似文献
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Ann I. Nevin 《Journal of educational and psychological consultation》2013,23(3):259-263
The traditional approach of providing related services to students with severe disabilities in a pull-out, isolated fashion is presented as less effective than a transdisciplinary approach. Characteristics of the transdisciplinary model include: strong family focus, collaborative consultation, and integrative service delivery. This article clarifies the problems inherent in the traditional approach to service delivery with regard to student progress. Rationale for supporting documentation and case examples all highlight the benefits of a more integrative approach. Strategies for transitioning from a traditional to a transdisciplinary model are presented and ideas for future research are suggested to further substantiate this recommended approach. 相似文献
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This study presents evidence that adaptation to colored light alters the apparent hue of subsequently presented stimuli in pigeons. During training, right and left keypecks were reinforced following responses to colored and nominally achromatic slides, respectively. During test sessions, subjects continued to observe and report on the two classes of slides while 6-min components alternated, such that the experimental chamber was illuminated with either a green flood lamp or a nominally white bulb. The proportion of right keypecks following achromatic slides was much higher during green components than during white components, indicating that the achromatic slides appeared more like the chromatic slides. 相似文献
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Research investigating the management styles of male and female supervisors is mixed. In an effort to clarify this research, the present study examined the interaction effect of gender of supervisor and gender of subordinate on perceived mentoring. Results revealed the least amount of mentoring occurred between female supervisors and female subordinates, but the greatest mentoring took place between female supervisors and male subordinates. Results were explained in terms of managerial experience and the double‐bind of female managers. These findings challenge the traditional advice that female subordinates should seek female supervisors. 相似文献
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Zinnia Mitchell-Williams Paul Wilkins Meabh Mclean Wendy Nevin Karyn Wastell Rebecca Wheat 《Educational Action Research》2013,21(3):329-346
This account draws on the experience of five final-year students of human communication and one tutor from the Manchester Metropolitan University who conducted collaborative research into life stages. The research was personally developmental for all those involved and resulted in an increased sense of personal power. The authors discuss the use of their personal development as a research tool, using the models of cooperative inquiry and heuristic inquiry. Ultimately, they consider how their ‘therapeutic’ process can be termed ‘research’, and how their approach can be utilised in research that is personally and socially educational. 相似文献