Harvard Educational Review, Volume 9Howard Eugene Wilson Harvard University, 1939 "The Harvard Educational Review is a journal of opinion and research in the field of education. Articles are selected, edited, and published by an editorial board of graduate students at Harvard University. The editorial policy does not reflect an official position of the Faculty of Education or any other Harvard faculty."-- Volume 81, Number 2, Summer 2011 |
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Page 101
... true scores for the two half - tests is constant for all individuals studied , and that the errors of measurement in the two half - scores are chance errors , and hence uncorrelated . * tb ta Let Xto be the true score of any individual ...
... true scores for the two half - tests is constant for all individuals studied , and that the errors of measurement in the two half - scores are chance errors , and hence uncorrelated . * tb ta Let Xto be the true score of any individual ...
Page 102
... true score on the whole test . the obtained score on the whole test . From this and Equation [ 7 ] we see that X1 = X2 + X¿ = = = Xta + Xto + ea + eo · Xtro + ea + es . = tw Hence e - X10 - Xtr = ea + eo . tw Now if the errors e , and ...
... true score on the whole test . the obtained score on the whole test . From this and Equation [ 7 ] we see that X1 = X2 + X¿ = = = Xta + Xto + ea + eo · Xtro + ea + es . = tw Hence e - X10 - Xtr = ea + eo . tw Now if the errors e , and ...
Page 236
... true , but to say we make it with a certain degree of confidence . For any given population , the sample values of a statistic fluc- tuate in a sampling distribution about a constant parameter . Re- search workers often speak as though ...
... true , but to say we make it with a certain degree of confidence . For any given population , the sample values of a statistic fluc- tuate in a sampling distribution about a constant parameter . Re- search workers often speak as though ...
Contents
VOL IX | 6 |
Heimann Communism Fascism or Democracy? | 16 |
Howard B Wilder | 33 |
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