GENERAL STATEMENT OF THE PROBLEM Freshmen who enter North Carolina College at Durham are required to take a battery of tests for placement. This battery, which is made up of the California Mental Maturity Test, Advanced, and the California Achievement Tests, Advanced, 1957 Edition: Language, Mathematics and Reading , serves as an aptitude test battery as well as an achievement test battery. As an achievement bat tery, the scores made by freshmen on these tests determine their placement in English and mathe matics, subjects considered basic to liberal arts education. In deciding placement, the scores made on the tests determine which students will be placed in what levels of English and mathematics courses. Hence, while some students are placed in regular freshman work in these subjects, others may be required to take sub-freshman work in one or both subjects. It should be pointed out here that although the mental maturity test is given as a part of the fresh men placement battery, greatest attention in place ment is given to the total scores made by students on the language and mathematics tests; classroom subject matter teachers determine the diagnostic weaknesses of students in areas of English and mathematics once they have been assigned to these courses. To this end, then, and in this respect, the placement testing program of the College is al| so an aptitude testing program. In fact, in some respects, it is probably more of an aptitude testing ! program than a placement program. This study I therefore is one of differential prediction, that is , j a study of the differences between two test batterI ies in predicting success of freshmen in E ngl is h, mathematics, and in total courses taken. With the above background in mind, the purpose W.N. SMITH
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