It is concluded that stimulus grouping can aid short-term memory span only when the method of stimulus grouping is compatible with the method of response grouping. (Author/CB)

Purpose of this experiment was to explore the effects of pre- and postshift stimulus similarity, type of shift, and difficulty of discrimination in the standard solution shift - concept identification paradigm. (Authors/CB)

Results supported the hypothesis that increasing numbers of coactors results in increasing impairment of motor performance. (Authors)

Although children given tangible reward performed better than children given intangible reward, neither type of reward had an effect that was significantly different from the level attained by a control group which received no explicit reward at all. (Authors)

This study investigated the parameters of the social reinforcement labeled indirect reinforcement" and examined its presence and effect in a natural school setting. (Author)

Greater response vigor following nonreward compared to reward is termed the frustration effect. (Author)

The effects of providing educable mentally handicapped students with the opportunity for isolated study were examined. (Author)

"Although while pupils earned higher scores than nonwhite pupils on both tests, the Metropolitan produced significantly greater differences between the races than the Iowa, at both grade levels. (Author)

The findings point to an urgent need for modification in the administration and scoring of the WISC. Institutions responsible for the training of psychologists need to provide extensive experience in all phases of scoring. Psychologists should be urged to recheck the scoring of each protocol they complete. In particular, all clerical work should…

The study examined the effects of emphasizing the competitive environment in a testing situation through the use of rewards and game techniques. Neither rewards nor games had an effect on test performance. (Author/MF)

Conflicting findings in two earlier studies in the area of learning style effects are studied. (DG)

It is suggested that procedures for the assessment of learning disabilities incorporate measures of extrinsic motivation in order to differentiate students with learning disabilities from those who perform poorly because of low intrinsic motivation. (Author)