Explains the characteristics and importance of random assignment in experimental research on education. Considers factors supporting causal inferences, the nature of "assignment units," differences between random sampling and random assignment, the characteristics of randomization tests, forms of random assignment, and effects of experimental…

New media, i.e., motion pictures developed for educational purposes and educational television, are basic in that they so dominate the experiences of the child. Teachers must devise strategies for using the moving image as an active agent in learning and for encouraging the child to be an active agent in seeing. (Author/RK)

Article attempted to clarify and elaborate the informational, self-evaluative basis of social comparison theory by focusing on two problems relating to assumptions of the theory. (Author/RK)

The contention of this paper is that the obtained difference in a study by DuCette and Wolk, which indicated that giving options in an essay examination produces poorer test performance, was an artifact of the scoring procedures. (Author/RK)

Project American Teachers refers to Hamburg's hiring of American teachers to instruct in math and the natural sciences in the city's public schools. (DD)

A detailed description of how radiovision is used by the BBC in Great Britain. (HB)

Article outlines the experiments, research and innovations stemming from the search for ways of involving pupils at first hand in the stuff of history. (Author/CB)

Second and third grades studied in an experimental group obtained higher grades than a similar control group on a problem-solving posttest. (Editor)

Describes an overseas field instruction experiment in social work. (PG)

A post-mortem on the Office of Economic Opportunity's version of performance contracting and its efficacy as a change agent in education. (Author/JN)

Describes the problems in New York City's schools during the period from 1898 to 1914 and Superintendent Julia Richman's innovative approaches to solutions. (MB)