Aligning the smiles of dating dyads causally increases attraction.

Proc Natl Acad Sci U S A · 2024 · PMC11551419 · PMID 39467124

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marginally significantP = 0.05actually significant

We found no main effect of participant condition (χ 2 (1) = 2.5, P = 0.11), a marginally significant effect of other condition (χ 2 (1) = 3.7, P = 0.05) and, crucially, a significant interaction between participant condition and other condition (χ 2 (3) = 9.7, P = 0.001).

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