Handbook in research and evaluation : a collection of principles, methods, and strategies useful in the planning, design, and evaluation of studies in education and the behavioral sciences
|aHandbook in research and evaluation|b: a collection of principles, methods, and strategies useful in the planning, design, and evaluation of studies in education and the behavioral sciences|c/ Stephen Isaac and William B. Michael.
250
|a2nd ed.
260
0
|aSan Diego, Calif.|b: EDITS Publishers|c, c1981.
300
|a234 p.|b: ill.|c; 24 cm.
504
|aIncludes bibliographical references and indexes.