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81.
The accuracy of short-cut estimates of standard deviation was investigated for distributions of raw scores on classroom tests and computer generated samples. Estimates proposed by Mason and Odeh, Jenkins, Diederich, Ebel, and Davenport were compared for relative accuracy in three studies. The loss in accuracy due to short-cut methods versus the conventional statistic ranged from 0 to 7,8%. Based on the findings of these studies, it is recommended that a shortcut method for computing standard deviations he included in courses where the conventional formula is taught. 相似文献
82.
RICHARD B. DARLINGTON 《Journal of Educational Measurement》1971,8(2):71-82
Four definitions of “cultural fairness” are examined and found to be not only mutually contradictory (for reasons which are explained), but all based on the false view that optimum treatment of cultural factors in test construction or test selection can be reduced to completely mechanical procedures. If a conflict arises between the two goals of maximizing a test's validity and minimizing the test's discrimination against certain cultural groups, then a subjective, policy-level decision must be made concerning the relative importance of the two goals. The terms in which this judgment should be made are described, and methods are described for entering the result of this judgment into mechanical procedures for constructing a “culturally optimum” test. Such a test will not necessarily fit any of the four definitions of “cultural fairness.” 相似文献
83.
The purpose of this study was (a) to survey school counselor preparation and perceived and projected role in serving special education students in the southwestern region of the United States; and (b) to determine the status of counselor education programs throughout the nation in preparing counselors to effectively serve exceptional students. The results indicated that 50 percent of the school counselor sample advocated additional involvement with exceptional students, 43 percent felt inadequately prepared to deal effectively with exceptional students, and 60 percent would be more willing to serve exceptional students if their training in special education had been more extensive. 相似文献
84.
Over the years there has been a vast array of efforts on the part of numerous individuals and professional organizations to upgrade and professionalize counselor training. These procedures include (a) the development of training standards for counselor education programs, and (b) the establishment of accreditation organizations. This article examines the ongoing process of professionalization in counselor education and will update readers on historical developments that have led to the present status of the Council for Accreditation of Counseling and Related Educational Programs. Discussion on present trends and future implications for AACD and its divisions are drawn. 相似文献
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From a sociolinguistic and discourse-analytic perspective, news stories have often been considered as operating within a similar structural framework to oral narratives (Labov, 1972), sharing formal elements with narratives produced in other contexts (although as Bell (1991) has demonstrated in relation to print news, these elements occur in temporal disorganization). In this paper, in line with other recent treatments of news stories, we suggest that news does not conform to this kind of “narrative” structure as such. Examining data taken from print and live-broadcast TV news through a Sacksian (1995) lens, we argue that it is possible to simplify the analysis of news structure by approaching the news as “stories,” where the story elements are organized around the notions of category, action, and reason rather than as a series of narrative clauses involving orientation, complicating actions, evaluation, and resolution (Bell, 1991; van Dijk, 1988). 相似文献
88.
RICHARD BRONAUGH 《Philosophical Books》1983,24(4):227-229
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