Examines four factors involved in the determination of how many test items should be constructed or sampled for a set of objectives: (1) the type of decision to be made with results, (2) importance of objectives, (3) number of objectives, and (4) practical constraints. Specific guidelines that teachers and evaluators can use and an illustrative…

This is a special issue examining the potential of cybernetics in educational technology. Articles discuss: cybernetic methods, algorithms, feedback learning theory, a structural approach to behavioral objectives and criterion-referenced testing, task specifications and diagnosis, teacher-child interaction, educational development, teaching…