Discusses a test given to a group of elementary school students of English as a second language. The purpose of the test was to measure developmental errors, that is, errors which reflect a learner's competence at a given stage, and to illustrate some of the general characteristics of language acquisition. (SED)

A study investigated the variability of language performance on different types of testing task, global versus discrete-focus. Three tests (cloze, multiple-choice, and fill-in-the-blank) were developed to measure learners' knowledge of five verb forms. The tests, containing corresponding items designed to elicit equivalent structures, were…