An experiment designed to determine the aptitude level(s) and group size which would provide optimal feedback for formative evaluation of instructional materials found that revisions based on feedback from one-to- one sessions with a mixed aptitude group were more effective than those based on feedback from a group or single aptitude level. (EAO)

Describes a project at Bell Laboratories which sought a compromise between ideal formative evaluation procedures and more feasible procedures necessitated by restrictions on time and resources. Local-trial and field-trial stages of a phased approach are discussed, as well as the benefits of field-tests. (EAO)

Describes procedures used to design and conduct formative evaluation of a vocational planning process implemented by the Florida Division of Vocational Education. The rationale for using formative evaluation is discussed, as well as questions to be addressed, role of questionnaires and interviews, and implications for evaluators, planners,…