Experimental Study of Motor Abilities of Children in the Primary Grades
The book Experimental Study of Motor Abilities of Children in the Primary Grades was written by author Johnson, Buford Jennette, 1880- [from Old Catalog] Here you can read free online of Experimental Study of Motor Abilities of Children in the Primary Grades book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Experimental Study of Motor Abilities of Children in the Primary Grades a good or bad book?
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0.045 L. H. 0.227 Probable error of R. H. difference 0.0574 L. H. difference 0.0612 A substantial but somewhat irregular improvement is shown by the girls. The boys show the high initial efficiency that has characterized the boys of the other groups, with but slight evidence of improvement shown either by daily averages or final average results. 48 MOTOR ABILITIES OF CHILDREN Once-in-Two-W eeks Group For the girls of this group the average age was seven years, one month, within a range of one y...ear, one month; I 2 3 4 5 & 7 Fig. 8. Once-a-Week Group. Abscissa, Practice Periods. Ordi- nate, Daily Score. Boys, R. H. , L. H. . Girls, R. H. L. H. . for the boys the average age was six years, three months, fifteen days, with a range of nine months. The records are given for six girls and five boys. With right hand there is a decrease in efficiency on second day for boys, on second, third and fourth days for girls. Then a gradual rise in curve shows slow but fairly regular improvement. The left hands show much more instability.
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