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341.
Early Childhood Education Journal - 相似文献
342.
A series of four experiments investigated a number of parameters reported to produce “helplessness” in rats. Consistent differences in escape behavior were not found between inescapably shocked and restrained rats when a FR 1 shuttling response was used. Escape latencies also did not differ between groups when a reduced shock intensity was employed during escape training in FR 2 procedure or when an increased FR 3 response was employed during escape training. Findings are discussed in terms of the robustness of the failure-to-escape phenomenon from which “helplessness” in the rat is inferred. 相似文献
343.
Daniel Uribe James D. Klein Howard Sullivan 《Educational technology research and development : ETR & D》2003,51(1):5-19
The positive effects of collaborative learning in a face-to-face environment are well known. However, little empirical research
exists to determine if such effects transfer to a computer-mediated environment. The purpose of this study was to investigate
the effect of computer-mediated collaboration on solving ill-defined problems. Participants first worked through a Web-based
instructional program that taught them a four-step problem-solving process. Then they worked in computer-mediated dyads or
alone to apply the steps to solve a realistic problem scenario. Results indicated that participants who worked in computer-mediated
collaborative dyads performed significantly better than did participants who worked alone. The results also indicated that
dyads spent significantly more time than participants in the individual treatment. Both treatment groups had positive attitudes
toward working collaboratively, Internet-based instruction, and transfer of problem-solving skills. Implications for the implementation
of computer-mediated collaboration in distance learning are discussed.
During article preparation, he was a PhD student at Arizona State University (ASU), Tempe.
The views expressed in this article are those of the authors and do not reflect the official policy or position of the United
States Air Force, Department of Defense, or the United States government. 相似文献
344.
Christelle Devos Gentiane Boudrenghien Nicolas Van der Linden Assaad Azzi Mariane Frenay Benoit Galand Olivier Klein 《European Journal of Psychology of Education - EJPE》2017,32(1):61-77
A central trend in qualitative studies investigating doctoral students’ dropout is to stress the importance of students’ integration and socialisation in their working environment. Yet, few of these studies actually compared the experiences of doctoral students who completed or quit their PhD. In order to overcome this limitation and identify the factors that differentiate these two groups, the present study interviewed 21 former doctoral students: 8 completers and 13 non-completers. The results show that what best differentiates these two groups of participants is the extent to which they feel that they are moving forward, without experiencing too much distress, on a research project that makes sense to them. We assume that this set of factors is central in the dropout process. Support from doctoral peers was found to play a positive role overall but did not contribute to differentiating the two groups, presumably because peers have a limited impact on dissertation progress. Supervisors’ support was central to the participants’ stories; it is thus assumed to play a role in the process, but this role is complex and needs further investigation. These results call for a stronger consideration of the doctoral task itself when investigating the process of persistence and attrition and for a more integrated framework that considers jointly both task- and environment-related aspects. 相似文献
345.
James D. Klein 《Performance Improvement Quarterly》2002,15(1):99-110
Renewed interest in research on performance improvement provides an ideal opportunity to examine how much empirical work is actually published and to identify the focus of research in the field. This paper describes a study conducted to examine the empirical research on performance improvement. The study involved a content analysis of articles published in PIQ from 1997 through 2000. Results indicated that empirical research accounted for about one‐third of all articles published in PIQ. A detailed analysis of the empirical research studies published in the journal is provided. 相似文献