Problem solving performance of individuals was compared with that of dyads at three levels of mental ability using a computer-based inquiry into the riddle of the frozen Wooly Mammoth. Results indicated significant interactions between grouping and mental ability for certain problem solving internal measures. (RAO)

Compares PLATO and non-PLATO student performance in an introductory computer programing course at the University of Illinois. Results indicate that PLATO students would recommend PLATO to friends, that the drop rate was higher for PLATO students than for non-PLATO, but that performance was equal for both groups. (RAO)