Böcker av William Anderson McCall

Problems, Experimental material and method, Subjects, Tests with their administration and scoring, Statistical treatment of results, Raw and corrected Arrays, Deviations and their combination, Calculation of raw coefficients of correlation, Calculation of corrected coefficients of correlation, Reliability coefficients, Consideration of problems and comparison of results with those of other experimenters, What are the intercorrelation among some recent educational and vocational measurements and certain Traditional tests, What is the order of each test's correlation with mental ability, What is the practical significance of these tests for educational and vocational diagnosis and guidance, What are some theoretical considerations growing out of this study