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The big-fish–little-pond effect (BFLPE) predicts that equally able students have lower academic self-concepts (ASCs) when attending schools where the average ability levels of classmates is high, and higher ASCs when attending schools where the school-average ability is low. BFLPE findings are remarkably robust, generalizing over a wide variety of different individual student and contextual level characteristics, settings, countries, long-term follow-ups, and research designs. Because of the importance of ASC in predicting future achievement, coursework selection, and educational attainment, the results have important implications for the way in which schools are organized (e.g., tracking, ability grouping, academically selective schools, and gifted education programs). In response to Dai and Rinn (Educ. Psychol. Rev., 2008), we summarize the theoretical model underlying the BFLPE, minimal conditions for testing the BFLPE, support for its robust generalizability, its relation to social comparison theory, and recent research extending previous implications, demonstrating that the BFLPE stands up to scrutiny. Quotations (associated page numbers) to the Dai and Rinn (2008) article are based on a prepublication version of the article available to the authors of this article that may have changed during the final preparation for publication. The authors would also like to express thanks to David Dai and Anne Rinn for their encouragement and assistance to us in preparation of our article, whilst still acknowledging that they might not agree will all the views expressed here.  相似文献   
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The learning of chemistry is described as a process analogous to the process of making chemical discoveries. Historical examples are given to show how chemists have used their insight to break out of a conceptual loop in order to advance the science. Having the insight to make the intuitive leap necessary to break a conceptual loop is as important as having the mastery of the pertinent facts. As in making chemical discoveries, learning elementary chemistry requires developing insight as well as acquiring mastery of the facts. However, current general chemistry teaching tends to teach facts first and insight later. Suggestions for improving this situation so that insight and facts are learned together are given. Finally, the nature of insight is probed more deeply and presented as a two-step process where the first step is an evaluation of the perceptions about science which are held. Once the student, teacher, or researcher has a clear evaluation of the validity of the perceptions that he or she holds, further significant progress toward understanding or scientific discovery is possible.  相似文献   
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Conclusion Note that the comparisons presented in this paper serve only as a springboard in pointing out some of the advantages and limitations of the Classroom Communicator. Like the bicycle and the automobile, each serving a useful purpose under certain conditions, different types of teaching aids and teaching machines will find their use. Not many individuals will want to argue whether the bicycle or the automobile is better. One would hope that an out-of-context decision on the Classroom Communicator versus this or that teaching machine is not made. It is thought, however, that some empirical or logical decision might be made with respect to the use of the Classroom Communicator in the near future. This article is adapted from a paper given by the author as part of a symposium on “Automated Instruction and Programed Learning,” Southeastern Psychological Association, Louisville, Kentucky. The opinions expressed are those of Herbert P. Froehlich, who from 1959 to 1962 was a research officer on the staff of the Chief of Naval Air Technical Training, Memphis, Tennessee, and are not necessarily shared by the Department of the Navy.  相似文献   
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