When is name of the meta-analytic method, developed by Vacha-Haase (1998), that explores variability in reliability estimates across studies?

Question

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The meta-analytic method that explores variability in reliability estimates across studies is called reliability generalization, as developed by Vacha-Haase (1998). A is incorrect because universal reliability is not a term used in the literature related to meta-analytic methods. B is incorrect because cross-validation is a different statistical method used to assess the generalizability of findings, but not specifically related to reliability estimates. C is incorrect because generalizability estimation is a broad term that refers to methodologies for assessing the generalizability of research findings, but not specifically related to reliability estimates.

When Is Name of the Meta-Analytic Method, Developed by Vacha-Haase