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Ramon A. Avila Paul M. Biner Martin L. Bink Raymond S. Dean 《Psychology in the schools》1995,32(1):38-45
A study was conducted in which one group of students was taught for 4 weeks using computer-generated lecture-relevant visual materials (i.e., still color video-displayed graphics) and then for 4 weeks using traditional lecture-relevant visual materials (i.e., blackboard and overhead transparency drawings). During the same time period, a comparable group of students was taught the same material by the same instructor for 4 weeks using traditional lecture-relevant visual materials and then for 4 weeks using computer-generated lecture-relevant visual materials. Students' learning of the course material (i.e., operationalized in terms of examination scores) and their attitudes about the course and instructor were assessed after the first 4-week period (Time 1) and the second 4-week period (Time 2). The pattern of exam score results suggested that student learning was negatively affected from Time 1 to Time 2 for those first having, and then not having, the computer-generated visuals and was positively affected from Time 1 to Time 2 for those first not having, and then having, the computer-generated visuals. Statistical tests performed on the data, however, did not reach acceptable levels of significance. Student attitudes did not parallel the performance data. Implications of the results are discussed. 相似文献
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Using the evaluation research strategy (Geroy & Wright, 1988) as a guideline, the authors conducted a needs assessment with 280 support staff, faculty, and administrators at a mid–sized community college. We taught the nominal group technique (Delbecq & Van de Ven, 1971) to representatives from each of these three groups. These representatives facilitated the participation of virtually all employees at the college in identifying a prioritized list of items that would enable these persons to “do their jobs better.” Analysis of the suggested performance improvement solutions utilized the performance technology model (Gilbert, 1978) and indicated that the solutions fell into five categories of intervention: high–yield training, direction and flow of information, resources, performance incentives, and medium–yield training. This combination of models and methods provided the decision makers with data that refocused their vision from planning professional development training to planning for performance improvement. These data represented needs, not wants, and enabled them to recognize the importance of addressing both training and non–training options. 相似文献
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介绍了一种以单片微机为数字控制器的温度控制实验装置,该装置主体为一铝块,电热敏电阻检测温度,通过固态继电器采用调功方式控温.结构简单,易于推广. 相似文献
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王奉涛 《体育成人教育学刊》2004,20(4):23-24
运用献法、专家访谈法、问卷调查法、数理统计法等,对山东省高校体操教师教学能力及知识结构进行了调查研究,发现体操教师的整体教学能力较好,但电化教学能力相对较差,对体育与健康知识的了解、更新方面比较欠缺,根据现状提出了相应的建议。 相似文献