This study examined initial evidence of changes in fit to a unidimensional model for some language tests at multiple ability levels. Seven data sets were analyzed using the first phase of exploratory factor analysis: principal component eigenvalue extraction. Each data set is analyzed at varying n-sizes: whole group; random subsample; and five…

The Comprehensive Tests of Basic Skills (CTBS) battery are administered in New Mexico school districts as part of a state mandated assessment program. The tests are administered to students in grades three, five, and eight to measure achievement in the basic skills areas of reading, language, and mathematics. This report contains various types of…

The strengths and weaknesses that characterize language tests and measures used with young school-aged children are reviewed. Suggestions are given to assist school psychologists in testing children formally and informally and in working in conjunction with speech-language pathologists. (SLD)

The Comprehensive Tests of Basic Skills (CTBS) battery is administered in New Mexico school districts, as part of a state mandated assessment program, to students in grades 3, 5, and 8 to measure achievement in basic skills (reading, language, and mathematics). Various types of test data are presented for use in modifying the basic instructional…