Does variation in the μ-opioid receptor gene (OPRM1) moderate the association between maternal sensitivity and child attachment? A preregistered attempted replication and extension of Tchalova et al. (2024).
Platts CR; Groh AM; Runze J; Bravo P; Bakermans-Kranenburg MJ; van IJzendoorn MH; Roisman GI · 2026 · Attachment & human development
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Initial molecular genetic studies identified specific genes that contribute to variation in associations between maternal sensitivity and infant attachment, but these findings from small samples failed to replicate in larger-sample…
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Metadata source: Europe PMC · DOI 10.1080/14616734.2026.2690651