Item bias, when present in a multiple-choice test, can be detected by appropriate analyses of the persons x items scoring matrix. Five related schemes for the statistical analysis of bias were applied to a widely used, primary skills multiple-choice test which was administered in either its English- or Spanish-language version at each of the two…

Discusses research to determine whether the methodology used in English-as-a-Second-Language classes affected scores on the Comprehensive Tests of Basic Skills. Test results of students in a Los Angeles school district exposed to a comprehension-based approach were compared to those exposed to a grammar-based approach. (21 references) (CFM)