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41.
Leonard J. Waks 《Educational theory》2001,51(4):415-432
42.
Leonard S. Feldt 《Journal of Educational Measurement》1995,32(3):295-301
Projecting the changes in the reliability of a difference score (d =× - Y ) as a consequence of changes in the reliabilities of X and Y does not represent a straightforward application of the Spearman-Brown formula. Formulas are developed for estimating the changes in the reliability of X-Y under two possible assumptions: (a ) × and Y have equal variances both before and after their reliabilities are altered, and (b ) × and Y have unequal variances before and after × and Y are modified. The second of these situations, which includes the first as a special case, is probably the more common . 相似文献
43.
Researchers have reported that student authoritarianism, dogmatism, intelligence, convergent-divergent abilities, conceptual level, anxiety, compulsivity, achievement motivation, achievement orientation, locus of control, independence-dependence, and extraversion-introversion interact with teacher directiveness in relation to grades and satisfaction. Evidence that the student variables are moderately intercorrelated suggested that some of the interactions may not be independent. The present study was initiated to simplify the multivariate nature of these interactive patterns by carrying out a modified stepwise regression analysis of the twelve interactions which could result in a lesser number of nonredundant interactions emerging, weighted according to how much unique variance they could account for in grades and satisfaction. Data were collected from 445 students in the classes of 26 Grade 11 and 12 English teachers at five schools in regard to English grades, satisfaction with the teacher and the course, the 12 student variables, and perceived teacher directiveness. Only achievement motivation produced significant interactions. Consequently, the planned regression models could not be constructed. 相似文献
44.
A humane method (from the perspective of faculty and of students) to improve the writing of students, from freshmen to graduate, is described. This method follows the standard procedure of submission of a paper to a journal, whereby the students (peer) review each other's work, revise their papers in light of the referee's comments (or rebut them). Then acceptance for publication by the editor is marked by a high grade. It has been used in a variety of physics-related courses (astronomy, high-fidelity sound, biophysics), and also in general university-wide courses (The Atomic Bomb, The Bhagavad-Gita). The method introduces students to broadly-accepted scholarly communication modes of communicating ideas, with anonymous reviews. With suitable organization the time spent by faculty can be readily reduced, and faculty efficiency improved, to make the method convenient and viable. Also, it seems that other disciplines can use this method to advantage. 相似文献
45.
46.
Leonard L. Baird 《Research in higher education》1990,31(3):271-278
Item and scale responses of students in 42 colleges to the College Student Experiences Questionnaire were examined to determine the frequency with which students had engaged in a wide variety of college activities. Results suggested that students most commonly attended and carried out activities related to studying and classwork, but typically did not engage in a great many intellectual and extracurricular activities. Students in selective and general liberal arts colleges were more active and involved in their colleges' lives than students in doctoral universities or comprehensive colleges and universities. Community college students were just as active as other students in academic areas, but were far less involved in out-of-class activities. 相似文献
47.
Publication productivity in doctoral research departments: Interdisciplinary and intradisciplinary factors 总被引:1,自引:2,他引:1
Leonard L. Baird 《Research in higher education》1991,32(3):303-318
Examination of a national data set reporting departmental levels of publication productivity in 23 disciplines revealed very large differences between disciplines, with the mean departments in the most productive disciplines averaging more than 10 times the number of publications of the mean departments in the least productive disciplines. The differences within disciplines were also very large. Analyses of the characteristics of departments associated with productivity showed great variation across disciplines. Regression analyses indicated the importance of size and internal university support rather than federal support. Similar results are reported for the number of citations to the work of departments. The implications of these results for program review and the reputations of departments are reviewed. 相似文献
48.
William H. Leonard 《科学教学研究杂志》1989,26(2):95-104
This study was designed to learn if students perceived an interactive computer/videodisc learning system to represent a viable alternative to (or extension of) the conventional laboratory for learning biology skills and concepts normally taught under classroom laboratory conditions. Data were collected by questionnaire for introductory biology classes at a large midwestern university where students were randomly assigned to two interactive videodisc/computer lessons titled Respiration and Climate and Life or traditional laboratory investigation with the same titles and concepts. The interactive videodisc system consisted of a TRS-80 Model III microcomputer interfaced to a Pioneer laser-disc player and a color TV monitor. Students indicated an overall level satisfaction with this strategy very similar to that of conventional laboratory instruction. Students frequently remarked that videodisc instruction gave them more experimental and procedural options and more efficient use of instructional time than did the conventional laboratory mode. These two results are consistent with past CAI research. Students also had a strong perception that the images on the videodisc “were not real” and this factor was perceived as having both advantages and disadvantages. Students found the two approaches to be equivalent to conventional laboratory instruction in the areas of general interest, understanding of basic principles, help on examinations, and attitude toward science. The student-opinion data in this study do not suggest that interactive videodisc technology serve as a substitute to the “wet” laboratory experience, but that this medium may enrich the spectrum of educational experiences usually not possible in typical classroom settings. 相似文献
49.
Margaret Jamieson Leonard L. Stewin 《International journal for the advancement of counseling》1987,10(1):19-33
The adjustment of non-English speaking immigrant students to learning was explored by comparing the learning characteristics of immigrant students with those of a matched group of Canadian students. Eleven immigrant students and eleven Canadian students from three grade 4 classrooms in three schools in a large Western Canadian urban school system were assessed on academic achievement, attitude to school, English proficiency, academic self-concept, and quality of teacher-student interaction. Data on attitudes of teachers toward immigrant students and on attitudes of parents of immigrant students towards the mother culture and learning in a second culture were also collected. Results indicated that immigrant students did not differ significantly from Canadian students on any of these variables. Findings were supported by other Canadian studies on immigrant students and the research on second language learning. The adjustment of immigrant students to learning appeared to be dependent upon three factors: length on time in the second culture, the proportion of immigrant students within a classroom, and the cultural harmony in both home and school settings. 相似文献
50.