A study was made to ascertain how large a sample is needed to make media effectiveness decisions which are generalizable to the total educable mentally handicapped (EMH) population. The method employed in the study involved pretesting and posttesting a sample of 70 primary and intermediate EMH children on the content of a filmstrip. Statistical…

This review summarizes the major criticisms of standardized tests and testing and attempts an evaluation of the validity of the criticisms. Viewed in the context of type of test, manner of its use, and assumptions regarding its validity, the paper discusses: (1) the imperfect-prediction problem, where predictions of performance are invalidated by…

Summarizes some of the findings of recent study of tests designed to determine the English language proficiency of nonnative speakers. (CFM)

This report presents a thematic summary of the AERA papers dealing with test development, interpretation, and use, presented at the 1971 meeting in New York City. Papers were grouped into the following categories: test development and validation; inventory development and validation; measurement of creativity; factors in test performance; use of…

This book addresses the question of what tests are measures of. Intelligence, achievement, and personality tests not based on empirical investigation have questionable validity. Some researchers now suspect that almost all tests given to students in all subjects, as well as general tests of intelligence and personality, are essentially language…