Research Topics
| William R ShadishSummaryAffiliation: University of California Country: USA Publications
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Detail Information
Publications
The common threads in program evaluationWilliam R Shadish
Prev Chronic Dis 3:A03. 2006
A randomized experiment comparing random and cutoff-based assignmentWilliam R Shadish
School of Social Sciences, Humanities, and Arts, University of California, Merced, 5200 North Lake Road, Merced, CA 95343, USA
Psychol Methods 16:179-91. 2011..Results suggest that estimates from regression discontinuity designs approximate the results of randomized experiments reasonably well but also raise the issue of what constitutes agreement between the 2 estimates...
Campbell and Rubin: A primer and comparison of their approaches to causal inference in field settingsWilliam R Shadish
University of California, Merced, CA 95344, USA
Psychol Methods 15:3-17. 2010..However, the 2 approaches also speak modestly different languages that leave some questions about their total commensurability that only continued dialogue can fully clarify...
Using UnGraph to extract data from image files: verification of reliability and validityWilliam R Shadish
University of California, Merced, P O Box 2039, Merced, CA 95344, USA
Behav Res Methods 41:177-83. 2009..These results suggest that researchers can use extracted data with a high degree of confidence that they are nearly identical to the original data...
The renaissance of field experimentation in evaluating interventionsWilliam R Shadish
University of California, Merced, California 95344, USA
Annu Rev Psychol 60:607-29. 2009..We also cover the key empirical evidence showing the conditions under which some nonrandomized experiments may be able to approximate results from randomized experiments...
Characteristics of single-case designs used to assess intervention effects in 2008William R Shadish
University of California, Merced 95343, USA
Behav Res Methods 43:971-80. 2011..The results have implications for the contributions of single-case designs to evidence-based practice and suggest a number of future research directions...
Effects of behavioral marital therapy: a meta-analysis of randomized controlled trialsWilliam R Shadish
School of Social Sciences, Humanities, and Arts, University of California, Merced, CA 95344, USA
J Consult Clin Psychol 73:6-14. 2005..This bias may inflate the effects of behavioral marital therapies reported in previous meta-analyses, though we also explore a number of alternative explanations for this small sample bias...
Empirically supported treatments or type I errors? Problems with the analysis of data from group-administered treatmentsScott A Baldwin
Department of Psychology, University of Memphis, Memphis, TN, USA
J Consult Clin Psychol 73:924-35. 2005..Of the 33 studies, 6-19 studies no longer had any significant results after correction. The authors end by providing recommendations for researchers planning group-administered treatment research...
Propensity scores: an introduction and experimental testJason K Luellen
Department of Psychology, University of Memphis, TN 38152 3230, USA
Eval Rev 29:530-58. 2005..The latter two examples serve as an introduction for researchers interested in computing propensity scores using more complex classification algorithms known as ensemble methods...
Increasing the degrees of freedom in future group randomized trials: the df* approachJonathan L Blitstein
Psychology of Health Behavior Program, RTI International
Eval Rev 29:268-86. 2005..The authors discuss the circumstances under which this strategy will be most helpful and the risks associated with conducting smaller studies...
Increasing the degrees of freedom in existing group randomized trials: the df* approachJonathan L Blitstein
Psychology of Health Behavior Program, RTI International
Eval Rev 29:241-67. 2005..The authors discuss the limitations of this approach and the circumstances in which it is likely to be helpful...
Meta-analysis of MFT interventionsWilliam R Shadish
Department of Psychology, University of Memphis, USA
J Marital Fam Ther 29:547-70. 2003..The article concludes with recommendations for doing better meta-analyses...
