Validity, Reliability, and Baloney
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as applied in certain particular situations. In the present study the criterion is college scholarship, as given by the usual gradepoint average. The subjects were 29 senior and graduate students in a course in Psychological Measurements. These students took Forms Q and R of the Cooperative Vocabulary 7est, Form R being administered about two weeks after Form Q. The correlation between grade-point average and the combined score on both forms of this test was -23. The reliability of the test, estimated by the Spearman-Brown formula from the correlation between the two forms, was .90. The experimental form of the new test, which I have termed the &dquo;B -Projective Psychokinesis Test,&dquo; or Test B, was also applied to the group. This experimental form contained 85 items, and there was a reaction to every item for every student. The items called for unequivocal &dquo;plus&dquo; or &dquo;minus&dquo; reactions, but in advance of data there is no way to tell which reaction to