Search Results - "Shadish, William R."

Characteristics of single-case designs used to assess intervention effects in 2008 by Shadish, William R., Sullivan, Kristynn J.

“…This article reports the results of a study that located, digitized, and coded all 809 single-case designs appearing in 113 studies in the year 2008 in 21…”
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Single-Case Intervention Research Design Standards by Kratochwill, Thomas R., Hitchcock, John H., Horner, Robert H., Levin, Joel R., Odom, Samuel L., Rindskopf, David M., Shadish, William R.

“…In an effort to responsibly incorporate evidence based on single-case designs (SCDs) into the What Works Clearinghouse (WWC) evidence base, the WWC assembled a…”
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Power analysis for single-case designs: Computations for (AB)k designs by Hedges, Larry V., Shadish, William R., Natesan Batley, Prathiba

“…Currently, the design standards for single-case experimental designs (SCEDs) are based on validity considerations as prescribed by the What Works…”
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A standardized mean difference effect size for single case designs by Hedges, Larry V., Pustejovsky, James E., Shadish, William R.

“…Single case designs are a set of research methods for evaluating treatment effects by assigning different treatments to the same individual and measuring…”
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Three conditions under which experiments and observational studies produce comparable causal estimates: New findings from within-study comparisons by Cook, Thomas D., Shadish, William R., Wong, Vivian C.

“…This paper analyzes 12 recent within-study comparisons contrasting causal estimates from a randomized experiment with those from an observational study sharing…”
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A standardized mean difference effect size for multiple baseline designs across individuals by Hedges, Larry V., Pustejovsky, James E., Shadish, William R.

“…Single‐case designs are a class of research methods for evaluating treatment effects by measuring outcomes repeatedly over time while systematically…”
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Bayesian estimates of autocorrelations in single-case designs by Shadish, William R., Rindskopf, David M., Hedges, Larry V., Sullivan, Kristynn J.

“…Researchers in the single-case design tradition have debated the size and importance of the observed autocorrelations in those designs. All of the past…”
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Analysis and meta-analysis of single-case designs: An introduction by Shadish, William R.

“…The last 10years have seen great progress in the analysis and meta-analysis of single-case designs (SCDs). This special issue includes five articles that…”
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Statistical Analyses of Single-Case Designs: The Shape of Things to Come by Shadish, William R.

“…Single-case-design researchers rarely used statistics in the past, but that is changing. In this article, I review the rapidly developing state of statistical…”
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The Effects of Psychological Therapies Under Clinically Representative Conditions: A Meta-Analysis by Shadish, William R, Matt, Georg E, Navarro, Ana M, Phillips, Glenn

“…Recently, concern has arisen that meta-analyses overestimate the effects of psychological therapies and that those therapies may not work under clinically…”
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Analysis and meta-analysis of single-case designs with a standardized mean difference statistic: A primer and applications by Shadish, William R., Hedges, Larry V., Pustejovsky, James E.

“…This article presents a d-statistic for single-case designs that is in the same metric as the d-statistic used in between-subjects designs such as randomized…”
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Campbell and Rubin: A Primer and Comparison of Their Approaches to Causal Inference in Field Settings by Shadish, William R

“…This article compares Donald Campbell's and Donald Rubin's work on causal inference in field settings on issues of epistemology, theories of cause and effect,…”
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Propensity score analysis: promise, reality and irrational exuberance by Shadish, William R.

“…Objectives The aim of this work is to examine the promise that propensity scores can yield accurate effect estimates in nonrandomized experiments, review…”
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Using Odds Ratios as Effect Sizes for Meta-Analysis of Dichotomous Data: A Primer on Methods and Issues by Haddock, C. Keith, Rindskopf, David, Shadish, William R

“…Many meta-analysts incorrectly use correlations or standardized mean difference statistics to compute effect sizes on dichotomous data. Odds ratios and their…”
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The Importance of Covariate Selection in Controlling for Selection Bias in Observational Studies by Steiner, Peter M, Cook, Thomas D, Shadish, William R, Clark, M. H

“…The assumption of strongly ignorable treatment assignment is required for eliminating selection bias in observational studies. To meet this assumption,…”
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Analyzing Data From Single-Case Designs Using Multilevel Models: New Applications and Some Agenda Items for Future Research by Shadish, William R, Kyse, Eden Nagler, Rindskopf, David M

“…Several authors have proposed the use of multilevel models to analyze data from single-case designs. This article extends that work in 2 ways. First, examples…”
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Design-Comparable Effect Sizes in Multiple Baseline Designs: A General Modeling Framework by Pustejovsky, James E., Hedges, Larry V., Shadish, William R.

“…In single-case research, the multiple baseline design is a widely used approach for evaluating the effects of interventions on individuals. Multiple baseline…”
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Can Nonrandomized Experiments Yield Accurate Answers? A Randomized Experiment Comparing Random and Nonrandom Assignments by Shadish, William R., Clark, M. H., Steiner, Peter M.

“…A key justification for using nonrandomized experiments is that, with proper adjustment, their results can well approximate results from randomized…”
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The Renaissance of Field Experimentation in Evaluating Interventions by SHADISH, William R, COOK, Thomas D

“…Most experiments are done in laboratories. However, there is also a theory and practice of field experimentation. It has had its successes and failures over…”
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The Effects of Family Therapies for Adolescent Delinquency and Substance Abuse: A Meta-analysis by Baldwin, Scott A., Christian, Sarah, Berkeljon, Arjan, Shadish, William R.

“…This meta‐analysis summarizes results from k = 24 studies comparing either Brief Strategic Family Therapy, Functional Family Therapy, Multidimensional Family…”
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