Research design for program evaluationde William M. K. TrochimMateriasEvaluation research (Social action programs)MethodologyRegression analysisSocial sciencesMethodsResearch DesignEdiciones (1)Research design for program evaluation (1984)Sage Publications · inglésMás obras de William M. K. TrochimResearch methods knowledge baseAdvances in quasi-experimental design and analysisConcept mapping for planning and evaluation