Policy Evaluation and Evaluation Policy --;Evaluation as a Discipline --;Purposes of This Study --;Treatment of Methods --;Plan --;Level of Difficulty of Presentation --;I Valuation --;1 Issues in Evaluation Policy --;2 Evaluation and Social Research --;3 Evaluation and Social Justice --;4 A Framework for Valuation --;II Valuation and Observation --;5 Technique of Value Scaling --;6 Relationships That Determine Outcomes of Tests of Hypotheses --;7 Squaring Research Design with Policy Requirements --;III Observation and Inference --;8 Plausible and Implausible Hypotheses --;9 Fluctuating Parameters --;10 A Classification of Evaluative Inference Methods --;IV Two Case Studies in Evaluation --;11 Technical Skew in Social Work Evaluations --;12 A Reanalysis of Love Canal Data on Spontaneous Abortions --;References --;Name Index.