A taxonomy of 43 rules for writing multiple-choice test items is presented, based on a consensus of 46 textbooks. These guidelines are presented as complete and authoritative, with solid consensus apparent for 33 of the rules. Four rules lack consensus, and 5 rules were cited fewer than 10 times. (SLD)

The criterion-related validity evidence and other psychometric characteristics of multiple-choice and multiple true-false (MTF) items in medical specialty certification examinations were compared using results from 21,346 candidates. Advantages of MTF items and implications for test construction are discussed. (SLD)

College students rated dissimilarity of pairs of common test item formats. A multidimensional scaling model with individual differences fit to data from 111 students suggested that they used 2 dimensions to distinguish among the formats, 1 separating supply from selection items and 1 based on the number of options. (SLD)

Several multiple-choice item formats are examined in the current climate of test reform. The reform movement is discussed as it affects use of the following formats: (1) complex multiple-choice; (2) alternate choice; (3) true-false; (4) multiple true-false; and (5) the context dependent item set. (SLD)