K-12 English language proficiency tests that assess multiple content domains (e.g., listening, speaking, reading, writing) often have subsections based on these content domains; scores assigned to these subsections are commonly known as subscores. Testing programs face increasing customer demands for the reporting of subscores in addition to the…

Describes a study which submitted data from a multiple-choice English as a second language reading comprehension test to classical test theory item analysis and latent trait measurement. The purpose was to identify weak items and to compare the number of weak items indicated by the two different approaches. (SED)