This study is an evaluation of the psychometric issues associated with estimating objective level scores, often referred to as "subscores." The article begins by introducing the concepts of reliability and validity for subscores from statewide achievement tests. These issues are discussed with reference to popular scaling techniques, classical…

The relationships between ratings on the Idaho Alternate Assessment (IAA) for 116 students with significant disabilities and corresponding ratings for the same students on two norm-referenced teacher rating scales were examined to gain evidence about the validity of resulting IAA scores. To contextualize these findings, another group of 54…

The Arizona Tax Research Association analyzed the Arizona Teacher Proficiency Examination (ATPE). An item analysis of the 150 questions administered to 2,430 applicants from July 1982 through March 1983 was undertaken. A minimum point biserial correlation coefficient of .33 indicated the validity of an item. Nearly two-thirds (64 percent) of the…

As part of a needs assessment conducted for the Virginia public schools during the year 1969-70, the Virginia Affective Assessment Questionnaire (VAAQ) was developed. The VAAQ assesses affective traits, such as motivation and self concept, that are related to academic success--as measured by standardized achievement tests and performance in the…

Committees on Content Analysis and Correlation Studies were appointed by the Alabama State Superintendent of Education to provide information regarding the similarities and differences between the Californa Achievement Tests (CAT), Levels 13-C and 16-C, and the Alabama Basic Competency Tests (BCT), grade 3 and 6. The major purpose of these…