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Prepracticum service‐learning is an integral part of the curriculum for counselor education students at a large southwestern university. Service‐learning is accomplished by placing novice students in school or community agency settings to acquire early, practical, field‐based experience. Activities are more structured and supervised than in an internship or practicum. Analysis indicated that prepracticum service‐learning had a positive significant relationship with counselor self‐efficacy and a significant negative relationship with student anxiety. However, substantial counseling course work and experience with counseling‐related work both had a stronger influence than did prepracticum service‐learning, indicating that the latter is more appropriate for novice students.  相似文献   
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Research Findings: Previous research has documented conflicting results on the relationship between program quality and the percentage of children receiving subsidized child care (subsidy density) in early childhood centers. This research examined the relationship between subsidy density and the quality of infant and preschool classrooms in child care centers, taking into consideration teacher education and salary as well as other structural variables associated with quality. A multimethod evaluation was conducted with 110 child care centers utilizing an interview of center directors as well as classroom observations using standardized measures of quality and language/literacy in the classroom. Regression analyses indicate that subsidy density does not predict the quality of infant classrooms. However, subsidy density is a significant predictor of the quality of preschool classrooms. Teacher education is predictive of some quality indicators, but teacher salary is not. Practice or Policy: Practice and policy implications are discussed to promote the quality of child care centers that serve low- income children. Statewide initiatives should target centers with higher subsidy density for quality improvements. Local programs and state policy should provide teachers with opportunities to obtain additional education and then offer incentives to remain in their current early childhood settings.  相似文献   
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Abstract

Two studies determined the effects of responding to questions on heart rate (HR), rating of perceived exertion (RPE), and time to voluntary exhaustion on a graded treadmill walking/running test in naive college students. The first study used 16 (8 female and 8 male) volunteers; each subject was tested both without talking and while responding to 3 questions during each exercise stage. The second study had independent groups (n = 10 females each): (1) no talking during the early exercise stages (two walking stages), but answering questions during the later (running) stages until exhaustion, and (2) answering questions during the walking stages, but not talking during the running stages. Differences between groups (.10 level) were determined by two-way ANOVA (talking/no talking; gender) and t test for independent groups, respectively. There were no gender/treatment interactions. Exercise tolerance, HR, and RPE were generally not affected by the tester asking subjects questions about subjects' physical activity habits, with the following exceptions: the first study found a lower HR response to light work when the subjects were responding to questions. In the second study, the subjects perceived the work to be harder with no talking during the second (walking) stage, and while talking during the third (running) stage. For subjects unaccustomed to exercise testing and not well known to the tester, it appears that the best test results occur when the tester talks to the subject during early stages of exercise, but not during moderate and heavy work.  相似文献   
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Abstract

Two studies examined the effects of the experimenter on heart rate (HR), rating of perceived exertion (RPE), and time to voluntary exhaustion on a graded treadmill test in college students. The first study determined the effects of the gender and race of the tester on black and white subjects of both sexes. Four testers (black female—BFT, white female—WFT, black male—BMT, and white male—WMT) tested 5 subjects of each gender and race. Differences based on gender and race were determined by a 2 × 2 × 2 × 2 ANOVA. The second study dealt with the tester/subject relationship. One tester tested 20 subjects. Ten were his friends (5 males, 5 females) and 10 (5 males, 5 females) did not know him. Differences were determined by 2 × 2 ANOVA. In both studies, the female subjects had poorer performance than the males. HR during moderate and heavy exercise was not affected by the race and gender of the tester or the tester/subject relationship. For time to exhaustion, white female subjects (WFS) exercised longer when being tested by a female but black female subjects (BFS) had a longer total time with male testers. Significant interactions occurred for HR at rest and at various times during light work for both studies. There were also significant interactions for RPE at various stages of light, moderate and heavy exercise for both studies. For subjects unaccustomed to exercise testing, it appears that the effects of the race and gender of the tester and the tester/subject relationship predominate at rest and during light work. Fewer effects are observed during moderate and heavy work. Many of the results in these studies are consistent with societal roles and expectations for males and females, blacks and whites. A consistent testing environment can minimize the influence of extrinsic testing variables.  相似文献   
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One approach to the development of software, which has received considerable attention in the software engineering literature, is rapid prototyping. We describe the rapid prototyping methodology and discuss some of its advantages and disadvantages. We then focus on the use of rapid prototyping in the project component of the typical undergraduate software engineering course. Several approaches to prototyping are described, along with various automated tools that support prototyping. Our experiences with prototyping in our undergraduate software engineering course are described, and we draw a number of conclusions vis a vis the use of prototyping.  相似文献   
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