Examined the feasibility of using two microcomputer simulations to improve preservice elementary teachers performance in the formation and testing of hypotheses. Considers the effects of mode of computer instruction and cooperation on the acquisition of skills. (CW)

Recounts an experiment where two groups of college students composed questions for a simulated quiz show and then answered each other's questions. They then answered questions comparing their performance with other groups. Proposes a social norm rather than attribution error explanation for the fact that groups consistently will underestimate…