The effects of luck and misinformation on ability of multiple-choice test scores to estimate examinee ability were investigated. Two measures of examinee ability were defined. Misinformation was shown to have little effect on ability of raw scores and a substantial effect on ability of corrected-for-guessing scores to estimate examinee ability.…

A 15-stage pyramidal test and a 40-item two-stage test were constructed and administered by computer to 111 college undergraduates. The two-stage test was found to utilize a smaller proportion of its potential score range than the pyramidal test. Score distributions for both tests were positively skewed but not significantly different from the…

Twenty multiple-choice vocabulary items and 20 free-response vocabulary items were administered to 660 college students. The free-response items consisted of the stem words of the multiple-choice items. Testees were asked to respond to the free-response items with synonyms. A computer algorithm was developed to transform the numerous…