Leonard Bickman, Ph.D., is Professor of Psychology, Psychiatry and Public Policy. He is director of the Center for Evaluation and Program Improvement and Associate Dean for Research at Peabody College. He earned his Ph.D. in psychology (social) from the City University of New York, his master′s degree in experimental psychopathology from Columbia University and his bachelor′s from the City College of New York. Professor Bickman is a nationally recognized leader in program evaluation and mental healthservices research on children and adolescents. He has published more than 15 books and monographs and 180 articles and chapters and has been principal investigator on over 25 major grants from several agencies. He is co-editor of the Applied Research Methods Series published by Sage Publications since 1980. He is also co-editor of the Handbook of Applied Social Research and is collaborating on a new International Handbook of Social Research. He is the co-author of the very popular book Applied Research Design: A Practical Guide.

• IntroductionPlausible Rival Hypotheses in Measurement, Design and Scientific Theory - David RindskopfThe Empirical Program of Quasi-Experimentation - William R ShadishThe Multitrait-Multimethod Matrix as Synopsis and Recapitulation of Campbell′s Views on the Proper Conduct of Social Inquiry - William D CranoUnderstanding ′Method′ Variance - Lee Sechrest et alA Typology of Strategies for Ruling out Threats to Validity - Chares S ReichardtParticipant Selection and Loss in Randomized Experiments - Stephen G West and Brad J SagarinThe Design of the New York School Choice Scholarship Program Evaluation - Donald Rubin, Jennifer L Hill and Neal ThomasOn Models Used to Adjust for Pre-Existing Differences - Jay MagidsonComputer Simulations as Experiments: Using Program Evaluation Tools to Assess the Validity of Interventions in Virtual Worlds - Richard A Berk et alEvolution of the Time Series Experiment - Richard D McClearyIndexAbout the EditorAbout the Contributors

Leonard Bickman, Ph.D., is Professor of Psychology, Psychiatry and Public Policy. He is director of the Center for Evaluation and Program Improvement and Associate Dean for Research at Peabody College. He earned his Ph.D. in psychology (social) from the City University of New York, his master′s degree in experimental psychopathology from Columbia University and his bachelor′s from the City College of New York. Professor Bickman is a nationally recognized leader in program evaluation and mental healthservices research on children and adolescents. He has published more than 15 books and monographs and 180 articles and chapters and has been principal investigator on over 25 major grants from several agencies. He is co-editor of the Applied Research Methods Series published by Sage Publications since 1980. He is also co-editor of the Handbook of Applied Social Research and is collaborating on a new International Handbook of Social Research. He is the co-author of the very popular book Applied Research Design: A Practical Guide.

• IntroductionPlausible Rival Hypotheses in Measurement, Design and Scientific Theory - David RindskopfThe Empirical Program of Quasi-Experimentation - William R ShadishThe Multitrait-Multimethod Matrix as Synopsis and Recapitulation of Campbell′s Views on the Proper Conduct of Social Inquiry - William D CranoUnderstanding ′Method′ Variance - Lee Sechrest et alA Typology of Strategies for Ruling out Threats to Validity - Chares S ReichardtParticipant Selection and Loss in Randomized Experiments - Stephen G West and Brad J SagarinThe Design of the New York School Choice Scholarship Program Evaluation - Donald Rubin, Jennifer L Hill and Neal ThomasOn Models Used to Adjust for Pre-Existing Differences - Jay MagidsonComputer Simulations as Experiments: Using Program Evaluation Tools to Assess the Validity of Interventions in Virtual Worlds - Richard A Berk et alEvolution of the Time Series Experiment - Richard D McClearyIndexAbout the EditorAbout the Contributors

Leonard Bickman, Ph.D., is Professor of Psychology, Psychiatry and Public Policy. He is director of the Center for Evaluation and Program Improvement and Associate Dean for Research at Peabody College. He earned his Ph.D. in psychology (social) from the City University of New York, his master′s degree in experimental psychopathology from Columbia University and his bachelor′s from the City College of New York. Professor Bickman is a nationally recognized leader in program evaluation and mental healthservices research on children and adolescents. He has published more than 15 books and monographs and 180 articles and chapters and has been principal investigator on over 25 major grants from several agencies. He is co-editor of the Applied Research Methods Series published by Sage Publications since 1980. He is also co-editor of the Handbook of Applied Social Research and is collaborating on a new International Handbook of Social Research. He is the co-author of the very popular book Applied Research Design: A Practical Guide.

• IntroductionPlausible Rival Hypotheses in Measurement, Design and Scientific Theory - David RindskopfThe Empirical Program of Quasi-Experimentation - William R ShadishThe Multitrait-Multimethod Matrix as Synopsis and Recapitulation of Campbell′s Views on the Proper Conduct of Social Inquiry - William D CranoUnderstanding ′Method′ Variance - Lee Sechrest et alA Typology of Strategies for Ruling out Threats to Validity - Chares S ReichardtParticipant Selection and Loss in Randomized Experiments - Stephen G West and Brad J SagarinThe Design of the New York School Choice Scholarship Program Evaluation - Donald Rubin, Jennifer L Hill and Neal ThomasOn Models Used to Adjust for Pre-Existing Differences - Jay MagidsonComputer Simulations as Experiments: Using Program Evaluation Tools to Assess the Validity of Interventions in Virtual Worlds - Richard A Berk et alEvolution of the Time Series Experiment - Richard D McClearyIndexAbout the EditorAbout the Contributors