A new computerized testing system, which facilitates the use of short-answer-type testing, has been developed. In this system, the question of a multiple-choice problem is presented first, and the options appear briefly on the request of the test taker. The crux of this manipulation is to force students to solve the problem as if they were solving…

Undergraduate students took a multiple choice, computer assisted test and received feedback (items with the correct answers identified) either: (1) immediately, item-by-item; (2) following the entire test; (3) 24 hours later; or (4) no feedback. Retention one to three weeks later was significantly better for delayed feedback, and confidence…