The purpose of this study was to determine the effect of manual sign mand training combined with prompt delay and vocal prompting on the production of vocal responses in nonvocal children with developmental disabilities. A multiple baseline design across participants verified the effectiveness of this intervention. All participants showed…

This study is one in a series investigating the relationship between motivation training and measures of individual motivation and school behavior of elementary school pupils. One-hundred and twenty-two seventh grade students from an inner-city school district were divided into experimental and control groups by random assignment of classrooms.…

Using Fiedler's Contingency Model of Leadership Effectiveness, which postulates that the behavior of a leader depends on the interaction between leadership style and the degree to which the environment gives the leader control and influence, a study investigated the effects of training and changes in position power on the behavior of three types…