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Glass’s d

an effect size measure that represents the standardized difference between means (i.e., the difference in average values for two samples divided by the standard deviation of the second sample). It is often used in meta-analysis and other research in which it is important to determine whether an effect persists across studies in order to consolidate a result. Also called Glass’s delta. See also Cohen’s d; Hedges’s g. [Gene V. Glass (1940–  ), U.S. statistician]

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Psychology term of the day

May 26th 2024



n. ending a session in psychotherapy or counseling. Approaches to closing vary among therapists: Some allow the client to initiate the end of the session; others initiate it themselves.