Differences in test response characteristics between black and white, male and female groups who took the Admission Test for Graduate Study in Business (ATGSB) in February, 1971, were examined. Three studies were covered: 1) a study of the interactions between the difficulty level of test items and group membership for the above mentioned groups, 2) a comparison of the mean criterion scores for those candidates who omit items, and 3) a comparison of the response randomness of the subgroups involved. Six groups of examinees were studied: black females, black males, fee-free females, fee-free males, white females, and white males. Significant interactions were found for every subsection of the ATGSB. Other conclusions include: more significant results from the race within female comparisons than within male; neither sex was favored over the other in a uniform fashion; neither race was favored uniformly over the other; generally, the white group exhibited the lowest mean criterion scores for those who omit particular items, and the fee-free group exhibited the highest; and there appears to be more randomness of response in the fee-free group than in either of the regular center groups. (LH)