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the claim

A smile increases romantic attraction.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
2 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that a smile increases romantic attraction?

Yes. A speed-dating experiment found that aligning participants' facial smiles in real time causally increased the romantic attraction they felt toward each other. A separate eye-tracking study found women self-reported smiles among salient romantic visual cues.

Verdict: SUPPORTED · 2 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 2
Aligning the smiles of dating dyads causally increases attraction.
2024
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P, A., D, B., C, D., JJ, A., L, H., & P, J. (2024). Aligning the smiles of dating dyads causally increases attraction.. doi.org. https://doi.org/10.1073/pnas.2400369121

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More for · 1
What captures women's visual attention and what they remember in romantic encounters: eye-tracking metrics and self-reports.
2026
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O, R., J, M., & U, A. (2026). What captures women's visual attention and what they remember in romantic encounters: eye-tracking metrics and self-reports.. doi.org. https://doi.org/10.3389/fpsyg.2026.1773619

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