Research supported in part by Public Health Service Fellowship No. 5-FI-MH-24, 454-02 (MTLH) from the National Institute of Mental Health.

One portion reprinted from "Simulation Games for the Social Studies Classroom (Foreign Policy Association, 1968), pp. 49-52.

Prepared as part of a larger work on human intelligence, this report examines basic attentional and perceptual contributions to intelligence. The report is organized into two sections: the first summarizes and evaluates research that has tried to uncover basic information processing skills that account for individual differences in intelligence;…

While studies of college-level readers have yielded evidence both for and against the use of phonological or speech recoding in the recognition of written words, no consistent picture of when recoding occurs has yet emerged. However, one model, the adjunct access model, can account for the previous research findings. According to this model,…

Five position papers developed by the Division for the Visually Handicapped, Council for Exceptional Children are presented. N. Bryant, in "The Continuum of Services for Visually Impaired Students," outlines program alternatives for visually impaired students. S. Spungin ("The Role and Function of the Teacher of the Visually…

The relationship between perceived freedom and the attribution of attitudes was investigated. Observers were asked to infer an attitude from an actor's behavior when the actor's behavioral freedom was ambiguous. Attributions of attitude corresponded less to the behavior when it was unexpected and when the actor's potential lack of freedom was made…

A new test designed to detect an hereditary eye disease called retinitis pigmentosa (RP) is described. This condition is revealed by pigmentation in the retina, but early diagnosis is difficult because the symptoms are subtle, and since it is genetically recessive it frequently occurs in families with no history of early blindness. In many cases…