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. Author manuscript; available in PMC: 2017 Jun 1.
Published in final edited form as: Genes Brain Behav. 2016 Jun;15(5):503–513. doi: 10.1111/gbb.12296

Figure 3. Forest plot of the pooled effect of COMT genotype on total response bias.

Figure 3

Size of square is proportional to sample size. CI: confidence interval; df: degrees of freedom; IV: Inverse Variance (statistical method). Lancaster et al., 2015 report a significant COMT rs4680 genotype x block interaction; here we depict the effect for the main effect of COMT rs4680 genotype on response bias.