The structure of the testing condition is an important variable in measuring young children's language comprehension. This study examined effects of two testing conditions on the language comprehension scores of 24 toddlers, mean age 20.3 months. The methodology was based on the rationale that a test which allows parents to select stimuli which…

A review of followup study research is reported which focused on issues and trends in the evaluation of vocational education programs and their implications for human resource development. The analysis of representative studies selected from a survey of the literature is divided into four sections, one for each of four types of studies: (1)…

A paradigm for the study of the diffusion of complex innovations through a society is presented in this paper; the paradigm is useful for studying sociocultural change as innovations diffuse. The model is designed to account for change within social systems rather than in individuals, although it would also be consistent with information…

One of 52 theoretical papers on school crime and its relation to poverty, this chapter proposes that school crime and disruption be conceptualized as a function of the congruence or fit between the personal characteristics of individual students and the social environments of the schools they attend. In developing a conceptual model, a selective…

While the emphasis in much recent research has been essentially on urban concerns, there are very substantial empirical data resources which are available for the study of nonmetropolitan social, political, and economic phenomenon. The sources of computer-readable data relevant to investigation of nonmetropolitan phenomena can be grouped into…

The growing complexity of policy decisions in such areas as education and manpower necessitates increased research, which in turn requires an adequate data base and adequate methodology. Recognition that the variables affecting the vocational and educational choices of high school graduates are interrelated and require examination from several…

This book is considered to provide a sober, balanced, and scholarly examination of the evidence that bears on the role of genetic and environmental factors in the determination of group differences in ability in the United States. The first chapter provides something of the background and recent history of the concern with racial-ethnic…

The Philadelphia City Schools engaged in a four-year program to develop and test dual audio television, a way to help children learn more from the massive amounts of time they spend watching commercial television. The format consisted of an instructional radio broadcast which accompanied popular television shows and attempted to clarify and…

The Philadelphia City Schools engaged in a four-year program to develop and test dual audio television, a way to help children learn more from the massive amount of time they spend watching commercial television. The format consisted of an instructional radio broadcast that accompanied popular television shows and attempted to clarify and amplify…

Following the publication of "Social Indicators, 1973", a review symposium met to discuss and evaluate the potential utility of the document. The articles in this book present the essence of the commentary at the symposium. Section 1 identifies the themes in the symposium discussions and provides an overview of the proceedings. Sections 2 and 3…

This publication includes reports of research on children in progress or recently completed from March 1974 through August 1974. Each entry includes information concerning the investigator, purpose, subjects, methods, duration, cooperating groups, and findings (if available). The reports are listed under several topical headings: (1) long-term…

This publication includes reports of research on children in progress or recently completed from September 1974 through February 1975. Each entry includes information concerning the investigator, purpose, subjects, methods, duration, cooperating groups, and findings (if available). The reports are listed under several topical headings: (1)…

Measures, tools, and techniques applicable to the performance measurement of computer communication networks are described for technicians who procure computer services from a remote access network. Cost considerations are discussed as a major component of evaluation, and measurement and evaluation methodologies are surveyed. External measurement…

The focus of this inquiry is on the commitment students have to academic achievement. The model on which this analysis is based assumes that student effort in school is the product of several factors relating to parental influences, classroom structure, teacher behavior and peer norms and characteristics. In assessing the possibility of a linkage…

During 12 years of investigation, data were obtained from 2,500 high school students and 10,000 college students concerning the effect of specific types of visualizations in producing optimum levels of achievement. The studies considered such qualities of illustrations as: realism, color, relation to oral presentations, relation to educational…