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41.
Jacob E. Barkley Ellen Glickman Curtis Fennell Mallory Kobak Megan Frank Gregory Farnell 《Journal of sports sciences》2019,37(7):735-740
Low-cost physical activity monitors may provide a more accurate measure of physical activity than subjective methods (e.g., self-report) while being less costly than research-grade accelerometers. The present study assessed the validity of a low-cost monitor (Movband 2) to estimate physical activity behavior/intensity. Participants (N = 23, n = 16 female, BMI = 22.9 ± 4.0 kg/m2, age = 21.9 ± 1.6 years) completed four, five-minute treadmill stages (2.0, 3.0, 4.0, 5.0 MPH) while wearing both the Movband and the previously-validated Actigraph monitor. Oxygen consumption (VO2) was recorded during each stage (Laboratory assessment). A subset (n = 15, n = 10 female, BMI = 22.2 ± 3.2 kg/m2, age = 21.5 ± 0.8 years) of these participants then wore the two accelerometers for three days (Free-living assessment). During the Laboratory assessment there were strong, significant (r = 0.94, p ≤ 0.001) relationships between Movband and Actigraph counts and VO2. During Free-living assessment there was also a strong, significant (r = 0.97, p < 0.001) correlation between Movband and Actigraph counts. The low-cost, Movband accelerometer appears to provide a valid assessment of physical activity behavior/intensity. 相似文献
42.
This article reports on the results of a planning grant studying the effects of a highly rated curriculum unit on a diverse student population. The treatment was introduced to 1500 eighth grade students in five middle schools selected for their ethnic, linguistic, and socioeconomic diversity. Students were given pre‐, post‐, and delayed posttests on a Conservation of Matter Assessment and measures of motivation and engagement. This quasi‐experiment found statistically significant posttest results for achievement, basic learning engagement, and goal orientation. Analyses of disaggregated data showed that subgroups of students in the treatment condition outscored their comparison group peers (n = 1500) in achievement in all cases, except for students currently enrolled in ESOL. Analysis of video data of a diverse group of four students as the unit was enacted suggests that students entered a learning environment that permitted them to function in different, but consistent ways over time; that is, the frequency of students' manipulation of objects showed a different pattern of engagement for each of the four students compared with patterns of verbal responses such as the use of scientific terms. The results of this planning grant paved the way for a large study of the scale‐up of highly rated curriculum units. © 2005 Wiley Periodicals, Inc. J Res Sci Teach 42: 912–946, 2005 相似文献
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The present study examined the effect of three modes of feedback on the seriousness of error types committed on a post-test. The measure of seriousness of error types, or wrong rules, indicates to what extent the wrong rules deviate from the right rule. An on-line, free-response, six-item pre-test covering addition of signed numbers was administered to 263 eighth graders. Upon completion of the pre-test, the students were randomly assigned to receive one of the following kinds of feedback to responses to a second six-item test: (a) information about whether or not the response was correct, (b) the correct answer, or (c) the correct rule for solving the problem. The effect of the feedback mode on the seriousness of errors committed on a third six-item test, the post-test, was found to be differential and dependent upon the seriousness of errors committed on the pre-test. 相似文献
48.
Brenda J. Freeman Curtis M. Garner Rebecca Scherer Kerstin Trachok 《Counselor Education & Supervision》2019,58(3):209-224
The authors used a qualitative approach to discover the perceptions of 19 experts on dispositions and remediation for counseling students. Analysis revealed 4 dispositional domains related to context, severity, amenability to change, and cultural sensitivity. Counselor educators should consider dispositions at admission and examine their program’s ability to remediate severe tenacious dispositions. 相似文献
49.
Sue Winton Curtis A. Brewer 《International journal of qualitative studies in education》2014,27(9):1091-1109
In this paper, we demonstrate how history informs how policy meanings are constructed and the rhetorical strategies used to convince others to accept these meanings. We have two goals: (a) to show how a group of non-governmental actors, People for Education, became part of Ontario, Canada’s policy discursive network; and (b) to demonstrate the utility of constructing cultural and microhistories in critical policy analysis. This article is important because it describes resistance from a critical perspective and offers a methodology for producing histories of struggles over meaning-making in educational politics. 相似文献
50.
Curtis Dolezal Alex Carballo-Diéguez Iván C. Balán María A. Pando Marina Mabragaña Rubén Marone Victoria Barreda María M. Avila 《Child abuse & neglect》2014
This study sought to describe childhood sexual experiences with older partners (CSEOP) among men who have sex with men (MSM) in Buenos Aires, Argentina. MSM were recruited through respondent driven sampling. They responded to a computer administered self-interview with questions on CSEOP, operationalized as manual, oral, genital, or anal contact prior to age 13 with a partner at least 4 years older. Of the 500 respondents, only 25% identified as gay. Eighteen percent of the respondents reported CSEOP, the majority of whom did not feel they were hurt by the experience and did not consider it to be childhood sexual abuse (CSA). Over two-thirds of MSM who reported CSEOP said that their older partner was a female. Only 4% of those with a female partner felt their experience was CSA compared to 44% of those who had a male partner. Among all men reporting CSEOP, those who felt sexually abused were more likely to have been physically forced or threatened, physically hurt, and emotionally hurt than those who did not feel sexually abused. Having CSEOP, being hurt by the experiences, and perceiving the experiences as sexual abuse were not associated with current HIV sexual risk or substance use behavior. In this sample of MSM in Argentina, a substantial minority reported CSEOP. Those who felt they had been sexually abused were much more likely to have had an older male partner than an older female partner, and were more likely to report having been physically forced and threatened by their older partner. 相似文献