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We have just completed a large-scale project (supported by a SSHRC Insight Grant, 2014-2018) exploring various aspects of the history and use of meta-analysis, the debates surrounding its employment in psychology and related sciences, and researchers' understandings and implementations of the technique. The first phase of this research involved the development and validation of a coding tool for assessing meta-analysis practices (the Quality Assessment of Systematic Reviews [QUASR]; Tafreshi, Slaney, & Malange, 2015; Malange, Slaney, Law, & Napodi, 2013).
We collected data for a mixed-methods study, involving four integrated components: 1) an explication of the major theoretical and methodological developments of meta-analysis; 2) an examination of a broad spectrum of meta-analysis practices through a review of published meta-analyses; 3) a survey of authors of published meta-analyses; and 4) an integration of the findings of the first three components with the aim of informing where current standards of practice may require further development.
Hohn, R., Slaney, K. L., & Tafreshi, D. (2020). An empirical review of meta-analytic research and reporting practices in psychology. Review of General Psychology, 24, 195-209. https://doi.org/10.1177%2F1089268020918844
Hohn, R. E., Slaney, K. L., & Tafreshi, D. (2019) Primary study quality in psychological meta-analyses: An empirical assessment of recent practice. Frontiers in Psychology, 9, 2667. https://doi.org/10.3389/fpsyg.2018.02667
Slaney, K. L., Tafreshi, D., & Hohn, R. (2018). Random or fixed? An empirical examination of meta-analysis model choices. Review of General Psychology, 22, 290-304.
Tafreshi, D., Slaney, K. L., & Malange, R. (2015). Quality Assessment of Systematic Reviews (QUASR) Short-Form. Unpublished instrument.
Malange, R., Slaney, K. L., Law, K., & Napodi, C. (2013, August). Assessing study quality of meta-analyses: A validation study. Poster presented at the American Psychological Association Annual Convention, Honolulu, Hawaii, July-August 2013.
Malange, R., Nikol, M., Lovasz, N., & Slaney, K.L. (2013, June). Exploring meta-analysis: A review of current practices in meta-analysis. Poster presented at the Canadian Psychological Association Annual Convention, Quebec City, Quebec, June 2013.
Wilkinson, L., & the APA Task Force on Statistical Inference (TFSI) (1999). Statistical methods in psychology journals: Guidelines and explanations. American Psychologist, 54, 594-604.