Results indicate that subjects first observing apparatus operation by electromechanical means performed task better than those who had not, and that there is no significant difference between performance of subjects who had observed demonstration by electromechanical device and those who had observed a human model. Applicability of findings…

Four experiments examined the possibility that the outcome of simultaneous and backward fear conditioning procedures might depend upon the number of conditioned stimulus-unconditioned stimulus pairings. (Editor/RK)

The basis of modern learning theory is questioned in view of Popper's philosophy and the anatomy and physiology of the nervous system. (Editor)

A laboratory study analyzed differences in media violence when consequences of that violence to the victim are shown and not shown. (Author)

Reading comprehension, indicated by motor behavior and multiple-choice picture selection called for in written instructions, was taught to an autistic child (12 years old). (Author/PT)

Findings are presented from a 2-year experiment exploring ways to reduce energy costs and improve the learning environment in Florida's 25,000 portable classrooms. Improvements were made in two highly instrumented portable classrooms in the following areas: installation of a T8 lighting system with electronic ballasts; a high efficiency heat pump…

Reports on an experiment using behavior modification techniques to increase readind ability. Results indicate that the percentage of correct answers in the children with deficits increased to approximately the same level as the children tested to be on grade level. (Author/SB)

Before purchasing heating and air conditioning equipment and services, get expert advice on basic considerations, costs, and safety factors. (Author/WM)

This paper presents a number of inferential statistical models that may aid the operant investigator in presenting his data. (Author/RK)

Article considered methods for developing effective discipline and presented strategies designed for implementing discipline policy by teachers. (RK)

Argues that first language acquisition is essentially based on a process very similar to classical conditioning. (TO)

The effects on instrumental behavior of differences in type of task, type of reward and three organismic variables (history of social reinforcement from peers, extraversion, and intelligence) were investigated in preschool children. (ST)

Two special classes, each containing eight educable mentally retarded students, 9 and 10 years of age, respectively, played a group discussion game twice a week for 3 consecutive weeks in which the teachers presented a discussion topic and reinforced specified good discussion behaviors with high points. (MC)

The withholding of social reinforcement for nonspeaking succeeded in reinstating speech in a 9-year-old secetively mute girl attending a remedial class. (DB)