Theory of Mental Tests
Gulliksen,Harold.
Theory of Mental Tests Textual Documents - 1950. - New York: John Wiley and Sons,Inc, 1950. - xix;486p.: R00858.
Statistics,Errors of Measurement,Substitution and Prediction,Effect of Group Heterogeneity on Test Reliability.
151.2 GUL
Theory of Mental Tests Textual Documents - 1950. - New York: John Wiley and Sons,Inc, 1950. - xix;486p.: R00858.
Statistics,Errors of Measurement,Substitution and Prediction,Effect of Group Heterogeneity on Test Reliability.
151.2 GUL