|aHandbook in research and evaluation :|ba collection of principles, methods, and strategies useful in the planning, design, and evaluation of studies in education and the behavioral sciences /|cStephen Isaac and William B. Michael.
|aSan Diego, Calif. :|bEdITS Pub.,|cc1995.
|axviii, 262 p. :|bill. ;|c23 cm.
|aIncludes bibliographical references and indexes.