The Tapping Evidence Base
Depression

Psychology students trial — depression outcome (as tabulated in Nelms & Castel 2016)

Church, D., et al. · 2012

Randomized trial👥 18 participants⚖️ vs. no-treatment control group (randomized)📈 Cohen's 2.28 (large)Moderate rigor✓ Source-checked📍 United States
In plain English. Nine psychology students who tapped were compared against nine similar students who received no treatment, not just tracked before-and-after with no comparison group as previously described here. The students who tapped ended up with much lower depression scores than those who didn't, a real and fairly large effect (d=2.28) — still a strong result, but a real, credible one rather than the implausibly large d=7.57 previously listed, which does not appear anywhere in the actual published study.

What they found

Cohen's = 2.28
a large effect · on depressive symptoms (BDI), EFT vs no-treatment control at posttest, controlling
smallmoderatelarge
00.50.82.5

This is a real, verifiable RCT (Church et al., 'Brief Group Intervention Using Emotional Freedom Techniques for Depression in College Students: A Randomized Controlled Trial,' Depression Research and Treatment, 2012, article 257172, PMID 22848802, PMC3405565) — corrected from the previously recorded 'uncontrolled-outcome' design. 238 first-year college students were screened with the BDI; 30 meeting criteria for moderate-to-severe depression were randomized to 4 sessions of group EFT (n=9 completers) or no-treatment control (n=9 completers). After controlling for baseline BDI score, the EFT group had significantly less depression than control at posttest (EFT BDI mean=6.08 vs control mean=18.04, p=.001), Cohen's d=2.28 — a large, genuine between-group effect. The previously recorded d=7.57 does not appear anywhere in the primary paper's text and could not be corroborated.

How the study worked

Who took partpsychology students (n=18)
What they didIn a randomized controlled trial, participants were randomly assigned to receive tapping or a comparison condition, then measured and compared.
Compared withno-treatment control group (randomized)
Measured withBDI

💡 Where this could help

Picture a college freshman quietly struggling with depression, unlikely to seek out the campus counseling center due to long wait times or stigma. If brief, group-delivered tapping continues to show this kind of benefit, universities could offer it as an accessible, low-barrier option built into student wellness programming — taught in a single group session, then something the student can keep using alone afterward without the stigma or wait of repeat counseling visits, reaching students before things become more serious.

🔬 What to study next

A four-session group intervention producing this large a drop in depression scores deserves replication in a bigger student sample, paired with objective stress markers like cortisol or heart-rate variability to see if the psychological relief tracks a physiological one. Testing whether campus wellness programs could scale this through peer-led or app-guided group sessions would also matter, since it could reach students who would never book an individual counseling appointment in the first place.

The full record

DesignRandomized trial
Participants18 people
Populationpsychology students
Comparison groupno-treatment control group (randomized)
Effect sizeCohen's d = 2.28 — on depressive symptoms (BDI), EFT vs no-treatment control at posttest, controlling for baseline BDI score (ANCOVA-adjusted, between-group)
Outcome measuresBDI
JournalOriginal publication venue not confirmed (indexed via Nelms & Castel 2016 Table 4)
Year2012
CountryUnited States
LanguageEnglish
MethodEFT / tapping
Publication typeStudy / trial
Verification✓ Confirmed against the primary source

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Cite this study

APA

Church, D., & et al. (2012). Psychology students trial — depression outcome (as tabulated in Nelms & Castel 2016). https://doi.org/10.1155/2012/257172

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 Depression

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THE TAPPING EVIDENCE BASE Depression Cohen's 2.28 large effect WHAT THEY FOUND This is a real, verifiable RCT (Church etal., 'Brief Group Intervention UsingEmotional Freedom Techniques for… Randomized trial · 18 participants Church · 2012 · evidence.thetappingsolution.com