00622nam a2200133Ia 4500082001700000100001900017245019100036260004800227300001400275504001900289650005700308650006900365650005400434 a300.72 ISA-; aIsaac, Stephen 0aHandbook in research and evaluation: ba collection of principles, methods and strategies useful in the planning, design and evaluation of studies in eduation and the behavioral sciences aCaliforniabRobert R. Knapp Publisherc1971 avi, 186p. aIncludes index aSocial sciences - Research - Handbooks, manuals, etc aSocial sciences - Statistical methods - Handbooks, manuals, etc. aEducational evaluation - Handbooks, manuals, etc.