Harvard Educational Review, Volume 13Howard Eugene Wilson Harvard University, 1943 "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 7
... difference was therefore reported " statistically insignificant " - meaning , of course , that each difference was of such a size as could reason- ably be ascribed to chance . Together with his report of these differences the ...
... difference was therefore reported " statistically insignificant " - meaning , of course , that each difference was of such a size as could reason- ably be ascribed to chance . Together with his report of these differences the ...
Page 70
... difference which occurred in a very short time , while not a great deal of learning could be expected to take place . When the gain - difference of 1.70 is compared with the learning gain made by the Recordings Group , it turns out that ...
... difference which occurred in a very short time , while not a great deal of learning could be expected to take place . When the gain - difference of 1.70 is compared with the learning gain made by the Recordings Group , it turns out that ...
Page 173
... differences in gain so large that we cannot have any very great confidence in the result . The difference was tested by the t - test using the formula : t M1- M2 Σ ( X , −M1 ) 2 + Σ ( X2 − M2 ) 2 N1 + N2- 2 2 2 + N. N , 2 1 where X1 ...
... differences in gain so large that we cannot have any very great confidence in the result . The difference was tested by the t - test using the formula : t M1- M2 Σ ( X , −M1 ) 2 + Σ ( X2 − M2 ) 2 N1 + N2- 2 2 2 + N. N , 2 1 where X1 ...
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