Review of studies concludes that special class placement is ineffective in producing behavioral changes and that emphasis should be placed more upon counseling to improve self concept of retardates. (CJ)

Classifies subjects as cognitively simple" or cognitively complex" and notes that the latter are much nore successful at reconciling inconsistent information than are the former, whose impressions are formed by the information which makes the greatest impact. (RW)

Indicates that order of presentation determines the amount of attention students pay to questions asked by other students. Attentiveness is increased if the instructor has not previously lectured on similar information. Bibliography. (RW)

This paper is based on a PhD dissertation submitted to the Department of Psychology, University of California, Los Angeles. Research supported in part by the U.S. Public Health Service.