The development of an index reflecting the probability that the observed correspondence between multiple choice test responses of two examinees was due to chance in the absence of copying was previously reported. The present paper reports the implementation of a statistic requiring less restrictive underlying assumptions but more computation time…

It has been demonstrated that corrected-for-guessing scores will be superior to number-right scores in providing estimates of examinee standing on the trait measured by a multiple-choice test, if it can be assumed that examinees can and will comply with the appropriate directions. The purpose of the present study was to test the validity of that…