Fig. 1: Meta-analysis of the Effect of Using the Exam Playbook. | npj Science of Learning

Fig. 1: Meta-analysis of the Effect of Using the Exam Playbook.

From: Real-world effectiveness of a social-psychological intervention translated from controlled trials to classrooms

Fig. 1

Note. Forest plot summarizing a meta-analysis of the effect of using the Exam Playbook on students’ averaged exam score. Data points represent the effect size for each class in each semester, with error bars representing 95% confidence intervals. The diamond in the last row represents the weighted meta-analytic effect size30, and corresponds to a standardized effect size (Cohen’s d) of 0.18.

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