Demographic prediction of juvenile delinquency has been hampered by the heterogeniety of youth samples. In an attempt to correct for sampling bias in predicting juvenile delinquency, 1,689 male and female youths(aged 12 to 19, drawn from a 6 percent systematic, census tract, random sample of Pennsylvania school youths) completed the Youth Needs…

Although technological innovations have been widely adopted in elementary schools, efforts to implement these have generally not been successful. Past research on innovation has largely ignored the social context in which implementation occurs. This research examines how the implementation of the microcomputer is affected by the traditional social…

Examines the effects of such variables as socioeconomic status (SES), school size, grade span, type of computer, and student to computer ratio on the implementation of microcomputers. Analysis of a random sample of 128 elementary schools indicates that SES and student to computer ratio have the strongest impact on implementation. (Author/LRW)

Reports results of two studies that examined teachers' and students' efficacy and sex-typing attitudes toward computers in schools from contrasting settings. Questionnaires were used in elementary and secondary schools in a district that had an educational computing curriculum in place and in schools that were just beginning computer…

This discussion of research on media influences on learning describes a study of 611 students, grades three through 10, that examined user preconceptions about learning activities; examined differences in preconceptions across demographic subgroups based on gender and grade level; and interpreted results according to a theoretical learning model.…

Factors affecting 750 Wyoming public school teachers' response rates to a mail survey examined in this study were: personalization of the cover letter and of the envelope; grade level taught (elementary, junior, or senior high); sex of teacher; and regional characteristics (rural area, small town, or large town). Two experimental treatments were…