Teacher perceptions of temperament characteristics of children classified as learning disabled     

C D Cardell  R S Parmar 《Journal of learning disabilities》1988,21(8):497-502

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Morphological proportionality in elite age group North American divers.     

D Sovak  M R Hawes  K Plant 《Journal of sports sciences》1992,10(5):451-465

The purpose of this investigation was to describe the morphological parameters that characterize elite age group divers. Comparisons are made to normative age group data from the Coquitlam Growth Study and the constancy of important characteristics from age group to age group is examined. Data were collected on 27 male and 28 female elite divers who participated in the 1990 North American Age Group Diving Championships. Body build, body composition and skinfold corrected diameters were determined from 36 anthropometric parameters and analysed by ANOVA, t-test and Phantom z-scores procedures. All age groups except the 14- to 15-year-old males were significantly (P < or = 0.05) shorter than their norms but recorded higher androgyny index values. The estimated relative muscle mass increased significantly (P < or = 0.05) with age for males at all ages (40.8-46.3%). The 16- to 18-year-old females had a significantly (P < or = 0.05) larger relative muscle component compared to the younger age groups (40.1-38.4%). When normalized for height, active tissue development of the extremities was comparable between the sexes except in the forearm. The results indicate that at all age levels short stature is an important characteristic for divers. Analysis of regional active tissue development provides further insight into sport-specific prerequisites for success at elite levels.  相似文献   

Longitudinal change in throwing performance: gender differences     

K R Nelson  J R Thomas  J K Nelson 《Research quarterly for exercise and sport》1991,62(1):105-108

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Accommodations for Students Who Are Deaf or Hard of Hearing in Large-Scale, Standardized Assessments: Surveying the Landscape and Charting a New Direction     

Stephanie W. Cawthon  The Online Research Lab 《Educational Measurement》2009,28(2):41-49

Students who are deaf or hard of hearing (SDHH) often use test accommodations when they participate in large-scale, standardized assessments. The purpose of this article is to present findings from the Third Annual Survey of Assessment and Accommodations for Students who are Deaf or Hard of Hearing. The "big five" accommodations were reported by at least two-thirds of the 389 participants: extended time, small group/individual administration, test directions interpreted, test items read aloud, and test items interpreted. In a regression analysis, language used in instruction showed the most significant effects on accommodations use. The article considers these findings in light of a more proactive role for the National Survey in providing evidence for the effectiveness of accommodations with SDHH.  相似文献   

Technical news from Germany     

W.H. Uhland 《Journal of The Franklin Institute》1872,94(3):157-160

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The Reverend Gershom Bulkeley of Connecticut,an Eminent Clerical Physician     

Steiner WR 《Medical Library and Historical Journal》1904,2(2):91-103

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Steps counts among middle school students vary with aerobic fitness level     

Le Masurier GC  Corbin CB 《Research quarterly for exercise and sport》2006,77(1):14-22

The purpose of this study was to examine if steps/day taken by middle school students varied based on aerobic fitness classification. Middle school students (N = 223; 112 girls, 111 boys) were assigned to three aerobic fitness categories (HIGH, MOD, LOW) based on results of the FlTNESSGRAM PACER test. Four weekdays of pedometer monitoring determined activity levels (steps/day). Boys accumulated significantly more steps/day than girls, 11,589 +/- 3,270 and 10,232 +/- 2,517 steps/day, respectively; F(1,219) = 16.0, p < .001, eta2 = .055. There were no differences in steps/day between grades. HIGH fit participants accumulated significantly more steps/day, F(2, 217) = 12.2, p < .101, eta2 = .101, than moderately fit and low fit participants (approximately 1,491 and ; 2,867 steps/day, respectively). Middle school students who participated in sports in addition to physical education (PE) accumulated significantly more steps/day (approximately 980 steps/day) than those participating in PE only, F(1, 219) = 10.0, p < .01, eta2 = .044. Although the relationship between physical activity and aerobic fitness was moderate (0.35; p < .01), these data demonstrated significant differences in accumulated steps/day among youth of varying aerobic fitness levels. Whether improved fitness levels were the result of additional activity or the cause of it remains to be determined. Regardless, the fittest middle school students were also the most active and accumulated a significant amount of steps/day through organized extracurricular physical activities.  相似文献   

The conditions of activation of unfertilized starfish eggs by the electric current     

R.S. Lillie  Ware Cattell 《Journal of The Franklin Institute》1923,195(6):859-860

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Report of The Committee on a Coordinated Abstracting Service for Clinical Medicine and a Summary of Two Conferences on Scientific Abstracting Held in Paris,in April, 1948, at UNESCO House     

Fair E  Cunningham ER 《Bulletin of the Medical Library Association》1948,36(4):379-408

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The production of available potash from the natural silicites     

Allerton S. Cushman  George W. Coggeshall 《Journal of The Franklin Institute》1912,174(6):663-678

In this paper a summary is given of the various processes which have been proposed for making the potash in the natural silicates available as a fertilizer.Experimental trials of a new rotary kiln process for treating feldspar are described, which depends upon a previous treatment before furnacing, consisting of a method of aggregating or clumping the mix so that chemical contact of the reacting substances is brought about during the subsequent processing. The qualitative and quantitative results obtained on a number of experimental trials on a mill scale of operation are presented and discussed. It is shown that it is possible to economically manufacture a potash fertilizer containing free lime from feldspar, and for a sufficiently low cost to make an industry based upon the method worthy of consideration.  相似文献