Some aspects of test reliability are discussed. Topics covered are: (1) how high should a reliability coefficient be?; (2) two factors affecting the interpretation of reliability coefficients--range of talent and interval between testings; (3) some common misconceptions--reliability of speed tests, part vs. total reliability, reliability for what…

Assessed dimensions of adolescent career development using several well-established, objectively scored instruments. Attention was given to the correlations between measures of academic achievement and career development. Correlations among 19 scales administered to (N=237) 11th graders revealed three clusters of converging scale pairs, labeled…

Item-test correlations are compared to item test-retest correlations as measures for selecting items in test construction. The author concludes that the item test-retest method is superior for item analysis which aims at getting shorter tests while maintaining test stability. (Author/JKS)

This study was concerned with determining the validity of the Slosson Intelligence Test (SIT) using the Stanford-Binet Intelligence Scale (S-B), Form L-M as the validity criterion. The sample consisted of 724 students enrolled in 10 public school systems in northeastern Massachusetts. Using the Pearson-Product Moment formula a coefficient of…