Phelps-Stokes fellowship studies . 150. It will be seen from Fig. 4 that the range of the whites in idealsis much greater than that of the negroes and also there is muchoverlapping. Here again the distributions seem to run along fairlywell together. The scores of the ideals test for the negroes are relatively higherthan for either the intelligence or achievement test. (See Tables1 and 2.) This test was the last of the series to be administered,and the negroes had had some practice in taking the previous tests,hence this practice may have had its effect on these scores. TABLES OF CORRELATION Th
Phelps-Stokes fellowship studies . 150. It will be seen from Fig. 4 that the range of the whites in idealsis much greater than that of the negroes and also there is muchoverlapping. Here again the distributions seem to run along fairlywell together. The scores of the ideals test for the negroes are relatively higherthan for either the intelligence or achievement test. (See Tables1 and 2.) This test was the last of the series to be administered,and the negroes had had some practice in taking the previous tests,hence this practice may have had its effect on these scores. TABLES OF CORRELATION The following formulae were used: r = 2XY Pearsons product-moment method 1 — r^ = .6745 V Nrl2 — (rl3 xr23) r = coefficient of = Probable Error 30 TABLE 7 Showing Coefficient of Coi-relation Between Clironological Ages andIntelligence—Whites and Negroes Group B—Whites Group A—Negroes No. of Cases r No. ofCases 47 .30 + .009 47 .10 + .087 TABLE 8 Showing Coefficient of Correlation Between Int
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