Describes four measures of test unreliability that quantify effects of question selection and guessing, both separately and together--three chosen for immediacy and one for greater mathematical elegance. Quantifies their dependence on test length and number of answer options per question. Concludes that many multiple choice tests are unreliable…

An achievement test for the secondary school vocational electricity programs in South Carolina was constructed by a research coordinating unit (RCU) project. A trade and industrial supervisor and consultant, three electricity instructors, and four industry representatives comprised an advisory committee that participated in its development. Three…

Criticizes the California Assessment Program (CAP) prior to l987 for testing writing skills objectively. Describes the specific improvements in the new CAP Directed Writing Assessment which focuses on the most important characteristics necessary to a particular type of writing rather than those that are common to all types.(NH)

Describes a study designed to determine if the amount of time allocated for answering multiple true/false type questions affects the grades of the medical students taking the tests. Students who had 2-1/4 minutes to answer each question scored significantly better than those who had 1-1/2 minutes or 3 minutes. (TW)