no. 2.] PSYCHOLOGICAL EXAMINING IN THE UNITED STATES ARMY. 337 



For 167 senior normal-school students the correlation between total score and average 

 class mark earned since entrance was 0.303, or practically the same as for university students. 



For 494 high-school students the correlation between total score and average school mark 

 was r = 0.343. For one group of 87 first-year and second-year high-school pupils this corre- 

 lation was r= 0.36. (Seep. 344 for comparison of examination a and alpha in this respect.) 

 These 87 pupils had also been given a Stanford-Binet test, and the correlation between Stanford- 

 Binet mental age and average school mark was r = 0.56, as compared with 0.36 for examination a. 



Section 8. — Correlations with other ratings and tests. 



Over 1,000 of the California pupils, grades 3 to 12, were rated by their teachers for (1) 

 "dependability" (denned to include conscientiousness and obedience); (2) "social adapta- 

 bility" (denned to include popularity and qualities of leadership); and (3) "power to give 

 sustained attention." Correlations were computed for three schools as follows: 



In one school 287 pupils, grades 4 to S, were given the Trabue Completion Test, Forms B 

 and C. The scores on the two Trabue forms were combined and correlated with the separate 

 tests and with the total of examination a. The results were as follows: 



With the same pupils, r for total score with Stanford-Binet mental age was 0.72. 



The Stanford data throwing light on the relative value of the separate tests include the 

 following correlations: 



The correlations with age and with university marks are probably less significant than the 

 others. Omitting these and computing a composite rank order from the other sets of correla- 

 tions we have: 



