The evaluation design, which prescribes when and from whom to gather data, is described as significant because it can lend credibility to evaluation results. The objectives of this booklet are to aid the evaluator in: choosing a design; putting it into operation; and analyzing and reporting the data. Examples include both formative and summative…

A quasi-experimental design was employed to determine the effects of a workshop, designed to familiarize teachers and counselors with a technical institute in the North Carolina Community College System, on knowledge and attitudes related to the programs and practices of the institution. Subjects were assigned to experimental and control groups by…

When two groups, initially dissimilar, undergo different treatments, can subsequent differences be partitioned in such a way that the difference between the two treatments is unbiased? This is the central problem of this paper, and it is confronted by the examination of two levels of information using a Follow Through Evaluation. The first…