A one-page overview of the peer-reviewed research, prepared for discussion with a healthcare provider. The Tapping Evidence Base · July 2026
Bottom line. A meta-analysis (Clond 2016) reported a pooled pre-post effect size (within-group) of 1.23 (95% CI 0.82-1.64) for tapping on EFT anxiety scores, within-group pre-post change, not in the anxiety literature.
| Study | Design | Journal | Effect |
|---|---|---|---|
| Gilomen, S.A., Lee, C.W. (2015) | Meta-analysis, N=921 | Journal of Behavior Therapy and Experimental Psychiatry | Hedges' g = -0.66 |
| Clond, M. (2016) | Meta-analysis, N=658 | Journal of Nervous and Mental Disease | pre-post effect size (within-group) = 1.23 |
| Wong, K.W., Wu, X. et al. (2024) | Meta-analysis, 17 studies | International Journal of Mental Health Nursing | |
| Choi, S.H., Sung, S.-H. et al. (2025) | Systematic review, N=506 | Healthcare (Basel) | |
| Hasibuan, S.H., Said, F.M. et al. (2025) | Systematic review | African Journal of Biomedical Research | |
| Kwon, C. Y., Lee, B. (2025) | Systematic review, 9 studies | Medicine | |
| López-Del-Hoyo, Y., Fernández-Martínez, S. et al. (2023) | Systematic review, 22 studies | Journal of Clinical Nursing | |
| Doherty, A., Benedetto, V. et al. (2021) | Systematic review, 22 studies | BMC Psychiatry |