Shows that subjects who receive the impression that psychology experiments are worthless exert less time and effort in task performance than subjects who believe in favorable comments, although both groups indicate similar amounts of effort on self-rating scales. Bibliography and table. (RW)

The effects of errorless discrimination training (Sulzer and Mayer) on visual and auditory discrimination of digraphs of a learning disabled eight-year-old female resulted in a successful technique for digraph discrimination. (Author/PN)

Reviews the various roles that Black actors have played in American movies and in the development of the motion picture industry. Calls for more important roles for Blacks, both as performers and as writers, directors, and producers. (DA)

Describes the bilingual air-conditioning mechanics course at Houston Community College, aimed at Spanish-speaking workers. Several case studies are included along with a description of how and why the program was developed. (CT)

Describes how a behavioral system in Aplysia (marine snail) can be used to examine mechanisms of several forms of learning at different levels of analysis: behavioral, cell-physiological, ultrastructural, and molecular. Focusing on short-term sensitization, suggests how molecular mechanisms can be extended to explain long-term memory and classical…

The Department of Civil and Mineral Engineering at the University of Minnesota is constructing a building that will be 95 percent underground. (Author/MLF)

Self-induced vomiting in a severely retarded visually impaired adult was reduced by consistent application of restitutional overcorrective strategy. (Author/CL)

The behavior modification procedure, carried out at mealtime with a ten-year-old retarded boy who had spastic cerebral palsy, consisted of differential reinforcement and punishment, and resulted in substantial decreases in tongue thrust (reverse swallowing) and food expulsion, and a large increase in observed chewing. (Author/DLS)

A checklist to use in preparing an energy conservation master plan. (MLF)

Two studies measured the feasibility of DRO (differential reinforcement of other behavior) and VT (variable time) reinforcement in reducing body rocking stereotypy of institutionalized severely and profoundly retarded adults (N=2 and 5). (CL)