Post-intervention anxiety/depression symptom scores: internet-based intervention vs. face-to-face intervention. Forest plot of standardized mean differences (squares, proportional to weights used in meta-analysis) and associated confidence intervals (lines). Summary measure and 95% confidence interval is presented as a diamond. Panel a: Forest plot of standardized mean differences in anxiety symptom severity score. Panel b: Forest plot standardized mean differences in depression symptom severity score. (*Depression data were reported in (S. H. Spence, Holmes, March, & Lipp, 2006), an earlier analysis of the study (S. H. Spence et al., 2011)).