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. Author manuscript; available in PMC: 2013 Dec 17.
Published in final edited form as: Pers Soc Psychol Rev. 2010 Aug 17;15(3):10.1177/1088868310377394. doi: 10.1177/1088868310377394

Figure 2. Effect size distribution: Single-group pre-post design (n = 12).

Figure 2

Note: To make the graphs comparable, the y-axis was set at (1.0 to −3.0). The result from one study with a larger effect size (−4.81) is therefore not fully demonstrated in this graph (Sorenson, 2003).