Publications

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(2019). Current practices in meta-regression in psychology, education, and medicine. Research Synthesis Methods, forthcoming.

Preprint Dataset Journal

(2018). A history of meta-regression: Technical, conceptual, and practical developments between 1974 and 2018. Research Synthesis Methods, forthcoming.

Preprint Journal

(2018). Testing for funnel plot asymmetry of standardized mean differences. Research Synthesis Methods, 10(1), 57-71.

Preprint Code Journal

(2018). Small sample methods for cluster-robust variance estimation and hypothesis testing in fixed effects models. Journal of Business and Economic Statistics, 36(4), 672–683.

Preprint Journal R package

(2018). Between-case standardized effect size analysis of single case design: Examination of the two methods. Research in Developmental Disabilities, 79, 88-96.

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(2018). A gradual effects model for single-case designs. Multivariate Behavioral Research, forthcoming.

Preprint Supplementary materials R package Web app Journal

(2018). Single-case synthesis tools II: Comparing overlap measures and parametric effect sizes for synthesizing antecedent sensory-based interventions. Research in Developmental Disabilities, 79, 65-76.

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(2018). Single-case synthesis tools I: Evaluating the quality and rigor of research on antecedent sensory-based interventions. Research in Developmental Disabilities, 79, 19-32.

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(2018). Using response ratios for meta-analyzing single-case designs with behavioral outcomes. Journal of School Psychology, 16, 99–112.

Preprint Supplementary materials Journal

(2018). Procedural sensitivities of effect sizes for single-case designs with behavioral outcome measures. Psychological Methods, forthcoming.

Preprint Supplementary materials Journal

(2017). Introduction to the special issue on single-case systematic reviews and meta-analysis. Remedial and Special Education, 38(6), 323–330.

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(2017). A meta-analysis of technology-aided instruction and intervention for students with ASD. Remedial and Special Education, 38(6), 371–386.

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(2017). A meta-analysis of school-based group contingency interventions for students with challenging behavior: An update. Remedial and Special Education, 38(6), 353–370.

Preprint Supplementary materials Journal

(2017). Functional assessment-based interventions for students with or at-risk for high incidence disabilities: Field-testing single-case synthesis methods. Remedial and Special Education, 38(6), 331–352.

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(2017). Research synthesis and meta-analysis of single-case designs. In J. M. Kauffman, D. P. Hallahan, & P. C. Pullen (Eds.), Handbook of Special Education, 2nd Edition. New York, NY: Routledge.

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(2016). Between-case standardized mean difference effect sizes for single-case designs: A primer and tutorial using the scdhlm web application. Oslo, Norway: The Campbell Collaboration.

PDF R package Web app

(2015). Small-sample adjustments for tests of moderators and model fit using robust variance estimation in meta-regression. Journal of Educational and Behavioral Statistics, 40(6), 604–634.

Preprint Journal R package

(2015). Measurement-comparable effect sizes for single-case studies of free-operant behavior. Psychological Methods, 20(3), 342–359.

Preprint Supplementary materials Journal

(2015). Religion, spirituality, and physical health in cancer patients: A meta-analysis. Cancer, 121(21), 3760–3768.

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(2015). A meta-analytic review of religious or spiritual involvement and social health among cancer patients. Cancer, 121(21), 3779–3788.

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(2015). A meta-analytic approach to examine the relationship between religion/spirituality and mental health in cancer. Cancer, 121(21), 3769–3778.

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(2015). Four methods for analyzing partial interval recording data, with application to single-case research. Multivariate Behavioral Research, 50(3), 365–380.

Preprint Supplementary materials Journal

(2014). Design-comparable effect sizes in multiple baseline designs: A general modeling framework. Journal of Educational and Behavioral Statistics, 39(5), 368–393.

Preprint Supplementary materials Journal R package Web app

(2014). Alternating renewal process models for behavioral observation: Simulation methods and validity implications. Behavioral Disorders, 39(4), 211–227.

Preprint Journal R package

(2014). Analyzing single-case designs: d, G, hierarchical models, Bayesian estimators, generalized additive models, and the hopes and fears of researchers about analyses. In T. R. Kratochwill & J. R. Levin (Eds.), Single-Case Intervention Research: Methodological and Data-Analysis Advances. Washington, D.C.: American Psychological Association.

(2014). Analysis and meta-analysis of single-case designs with a standardized mean difference statistic: A primer and applications. Journal of School Psychology, 52, 123–147.

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(2014). Converting from d to r to z when the design uses extreme groups, dichotomization, or experimental control. Psychological Methods, 19(1), 92–112.

Preprint Supplementary materials Journal

(2013). A standardized mean difference effect size for multiple baseline designs. Research Synthesis Methods, 4(4), 324–341.

Journal R package Web app

(2013). A d-statistic for single-case designs that is equivalent to the usual between-groups d-statistics. Neuropsychological Rehabilitation, 24(3-4), 528–553.

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(2013). Operationally comparable effect sizes for meta-analysis of single-case research. Dissertation. Northwestern University, Department of Statistics.

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(2012). A standardized mean difference effect size for single case designs. Research Synthesis Methods, 3, 224–-23.

Journal R package Web app

(2009). Question-order effects in social network name generators. Social Networks, 31(4), 221–229.

Preprint Dataset Journal