Procedures for implementing random assignment with trickle processing and ways they can be corrupted are described. A computerized method for implementing random assignment with trickle processing is presented as a desirable alternative in many situations and a way of protecting against threats to assignment validity. (SLD)

Offers a critique on some of the papers on computers in science teaching that were presented at the 1985 National Association for Research in Science Teaching meeting. Implications for the conduct of research on computers in science learning are also suggested. (JN)

The substance of a commentary (SE 539 500) is a criticism of the over-generalizations by authors of computer-assisted instruction papers at the 1985 annual meeting of the National Association for Research in Science Teaching. This reaction attempts to examine the validity of the criticisms made in the commentary. (JN)

Investigated were the effects of programing instruction with BASIC on mathematical thinking skills and concept development in grade six. Posttests assessed programing ability, generalization, and understanding of variables. Observations and interviews were also used. The groups having programing instruction scored significantly higher than the…

A university-wide project team of academic and administrative staff worked together to prepare, deliver and evaluate a number of diagnostic, formative and summative computer-based assessments. The team also attempted to assess the University of Southampton's readiness to deliver computer-assisted assessment (CAA) within the "Code of practice…

Describes use of selective dissemination of information (SDI) feature on DIALOG at Sandia Technical Library to produce bulletin announcing library acquisitions of technical reports in microfiche. Microfiche acquisition, developing profile, assembling profile output, costs, and suggestions for improvement are highlighted. Examples of SDI profiles…

Investigated was a sequence of computer-based activities on estimation with 108 students in grades 9, 10, and 12. The activities were appropriate for students at each grade level; each class improved their estimation scores significantly. (MNS)

Reviews current literature about personal, demographic, situational, and cognitive attributes that affect computer-aided decision making. The effectiveness of computer-aided decision making is explored in relation to decision quality, effectiveness, and confidence. Studies of the effects of age, anxiety, cognitive type, attitude, gender, and prior…

This potpourri surveys research on various topics: neurologically based curricula, midafternoon slumps in student attention, accounting for contexts in research, feelings of powerlessness among students and teachers, further equity implications of computers in schools, misreporting of research findings, and accounting for media transfer in…