Sebastian, B., Nelms, J. · Explore (NY) · 2017
Pooling 7 RCTs, EFT showed a large effect versus usual care or waitlist controls (d=2.96, 95% CI 1.96-3.97, p<.001), with no significant difference in effect versus EMDR or CBT in head-to-head comparisons.
Pooling seven randomized trials, this meta-analysis found tapping produced a large drop in PTSD symptoms compared to waitlist or usual care, performing statistically on par with EMDR and CBT — two of the most established, guideline-recommended PTSD treatments in the world. A meta-analysis finding a technique this simple holds its own against gold-standard trauma therapies is the kind of result that reshapes what gets offered to people running out of options.
Picture a combat veteran or survivor of a serious accident told the wait for a trauma specialist is months long. If tapping continues to perform comparably to established trauma treatments like EMDR and CBT, its biggest practical edge is that it can be taught once and then practiced alone, with no therapist, no appointment, and no ongoing cost — an earlier, more accessible entry point into care that a community clinic or outreach worker could teach quickly while a person waits for a full course of specialized therapy.
With EFT already showing no significant gap versus EMDR or CBT here, the next question is mechanistic: do all three converge on the same underlying change — lowered amygdala reactivity, improved heart-rate variability, a blunted cortisol stress response — or are they reaching similar symptom relief through different biological routes? A larger, multi-site replication with clinician-rated outcomes and longer follow-up than the pooled studies here would also test whether this large an effect size holds up at scale.
| Design | Meta-analysis |
|---|---|
| Participants | 247 people |
| Population | mixed PTSD populations pooled across 7 RCTs (veterans, NHS patients, trauma survivors) |
| Comparison group | usual care/waitlist (primary); EMDR and CBT (secondary) |
| Effect size | weighted Cohen's d = 2.96 (95% CI 1.96-3.97) — on EFT vs usual care/waitlist (between-group) |
| Outcome measures | various PTSD checklists across pooled studies (PCL, CAPS, HTQ, HSCL, IES) |
| Journal | Explore (NY) |
| Year | 2017 |
| Country | United States |
| Language | English |
| Method | EFT / tapping |
| Publication type | Review or meta-analysis |
| Verification | ✓ Confirmed against the primary source |
Sebastian, B., & Nelms, J. (2017). The Effectiveness of Emotional Freedom Techniques in the Treatment of Posttraumatic Stress Disorder: A Meta-Analysis. Explore (NY). https://doi.org/10.1016/j.explore.2016.10.001
This record is part of the Tapping Evidence Base — an openly-sourced, fully-referenced directory of the research on EFT/tapping. Explore more studies on PTSD & Trauma
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