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121.
Bullock N Martin DT Ross A Rosemond D Holland T Marino FE 《Sports biomechanics / International Society of Biomechanics in Sports》2008,7(3):351-360
This study characterizes key elements of the start in elite female World Cup skeleton athletes. The top 20 female competitors in three World Cup races were videotaped within a calibrated space to allow the following components of the start to be quantified: (1) acceleration (velocity at 15-m mark, time to 15-m mark), (2) capacity (time to load, total number of steps to load), and (3) load (velocity at 45-m mark). A correlation analysis was used to establish the relationship between the variables of interest and overall start time (15- to 65-m mark). Velocity at the 15-m mark accounted for 86% of the variance in overall start time at St. Moritz and 85% at Sigulda. A stepwise regression analysis revealed that approximately 89% of the variation in start time could be explained by velocity at the 15-m mark, time to load, and velocity at the 45-m mark. Of the variables analysed in this study, rapid acceleration to attain a high velocity at the 15-m mark was the most important component of a fast overall start time. The importance of the time to load and velocity at the 45-m mark vary according to the different track characteristics. 相似文献
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Virginia Costenbader Allison M. Rohrer Nicholas Difonzo 《Psychology in the schools》2000,37(4):323-332
This study investigated current practices for screening new entrants to schools. A mail survey was conducted of 755 public‐ and private‐school districts in New York State to ascertain the procedures and instruments used to conduct kindergarten screening. Fifty‐one percent (385) of the districts responded. Thirty percent of the districts reported that they used locally developed screening instruments. The most widely used standardized instruments were the Developmental Indicators for the Assessment of Learning (DIAL‐R) (Mardell‐Czudnowski & Goldenberg, 1990), and the Brigance K & 1 Screen (Brigance, 1992). The great majority of respondents (95%) reported that screening is conducted on an individual basis, and in 45% of the districts, professionals spend more than 30 minutes in screening procedures with each child. On average, 3.58 different educational professionals in each district participate in screening procedures. About half of the districts reported that children identified as “unready” on the basis of screening procedures were referred for further evaluation; 19% of the districts advised parents to delay school entry for an additional year. Most districts (69%) reported that they were satisfied or very satisfied with current district practice. Implications for practitioners are discussed. © 2000 John Wiley & Sons, Inc. 相似文献
124.
An operational index of discrepancy to assist in identifying learning disabilities (LD) in the cognitive domain was derived using the Full Scale IQ, Wechsler Intelligence Scale for Children (Wechsler, 1949, and relevant subtest scores on the Peabody Individual Achievement Test (PIAT) (Dunn and Markwardt, 1970. The index was applied to all legally identified LD children (N = 60) of a Michigan county who were in the LD program (1% of the total elementary school population of 6000 children). Of the 50 males and 10 females (mean age: 9 years 2 months; mean IQ: 91), the index identified 74% and 30% respectively as may be LD in the cognitive domain. This comprised 67% of the 60 children, or 2/3 of 1 % of the total elementary school population. Of the 67% may be LD children, 93% had discrepancy low PIAT subtest scores in Reading Recognition, 88% in Reading Comprehension, 83% in Spelling, and 52% in Arithmetic. Considerable caution should be exercised when classifying children, especially females, as LD. 相似文献
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Eric Lichtenberger M. Allison Witt Doug Franklin 《Community College Journal of Research & Practice》2013,37(11):959-979
The use of dual credit has been expanding rapidly. Dual credit is a college course taken by a high school student for which both college and high school credit is given. Previous studies provided limited quantitative evidence that dual credit/dual enrollment is directly connected to positive student outcomes. In this study, predictive statistics were calculated using the generalized linear mixed model function in SPSS. For the final analysis, a two-level, propensity score weighted, multinomial logistic regression model was developed. Findings of this study are that even after controlling for selection bias, variation across high schools, and several education and socioeconomic status variables, dual credit/dual enrollment was significantly related to increased odds of enrolling at both four-year institutions and community colleges upon high school graduation. The opportunity presented by dual credit expansion and related policy recommendations are explored within the state and federal completion agenda context. 相似文献
127.
Doug Clow 《Teaching in Higher Education》2013,18(6):683-695
Learning analytics, the analysis and representation of data about learners in order to improve learning, is a new lens through which teachers can understand education. It is rooted in the dramatic increase in the quantity of data about learners and linked to management approaches that focus on quantitative metrics, which are sometimes antithetical to an educational sense of teaching. However, learning analytics offers new routes for teachers to understand their students and, hence, to make effective use of their limited resources. This paper explores these issues and describes a series of examples of learning analytics to illustrate the potential. It argues that teachers can and should engage with learning analytics as a way of influencing the metrics agenda towards richer conceptions of learning and to improve their teaching. 相似文献
128.
Patron-initiated collecting via interlibrary has been examined regularly in the literature over the past decade, with articles examining the topic at public libraries, liberal arts colleges, and large doctoral institutions. This paper examines a patron-initiated collection development program at Grand Valley State University, a comprehensive university with an enrollment of 24,000 students. It compares Grand Valley State University's experiences with those at other types of institutions. The paper also discusses the different models used to assess the success of these programs within the literature and how Grand Valley State University used WorldCat Collection Analysis, circulation statistics, and peer comparisons to assess its program. 相似文献
129.
Thomas R. Lindlof Lea P. Stewart Stella Ting-Toomey Doug R. Berdie James U. McNeal 《Communication Booknotes Quarterly》2013,44(3-4):32-34
NATURAL AUDIENCES: QUALITATIVE RESEARCH OF MEDIA USES AND EFFECTS edited by Thomas R. Lindlof (Norwood, NJ: Ablex, 1987—$37.50) COMMUNICATION, GENDER, AND SEX ROLES IN DIVERSE INTERACTION CONTEXTS edited by Lea P. Stewart and Stella Ting-Toomey (Norwood, NJ: Ablex, 1987—$35.00) QUESTIONNAIRES: DESIGN AND USE by Doug R. Berdie, et al. (Metuchen, NJ: Scarecrow, 1986—$22.50) CHILDREN AS CONSUMERS: INSIGHTS AND IMPLICATIONS by James U. McNeal (Lexington, MA: Lexington/Heath, 1987—$24.95) 相似文献
130.