Claims

For childhood outcomes (academic achievement, ADHD symptoms), genetic-nurturing designs found only direct genetic effects and no genetic nurturing

Claim · All claims
Evidence · 1 study · review r2 · q2
Currency · newest study 2021 · not yet checked against its sources · not reviewed by a person

Subclaims

Reading the evidence codes

q is the design tier, i the impact, n the sample, and the kind with its r the rigour judged within that kind: what each code means.

This claim: no standardized effect is recorded in observations/ for it yet, so no benchmark reading is possible.

q2 i? Using the full genetic-nurturing design with DNA of children and both parents, de Zeeuw et al. and Willoughby et al. replicated genetic-nurturing effects on adults' educational attainment, but for childhood academic achievement and ADHD symptoms only direct genetic effects were found, with no genetic nurturing. → Hart 2021

Evidence

Hart 2021

Hart, S. A., Little, C. & van Bergen, E. (2021). Nurture might be nature: cautionary tales and proposed solutions. npj Science of Learning 6:2. https://doi.org/10.1038/s41539-020-00079-z

q2 · i? · review · r2

The article reports this published genetic-nurturing replication study: genetic-nurturing effects replicated for adults' educational attainment, while "for outcomes in childhood, academic achievement and ADHD- symptoms" only direct genetic effects were found. No effect size is printed.

"for outcomes in childhood, academic achievement and ADHD- symptoms, Zeeuw et al. 45 only found direct genetic effects; no genetic nurturing."

Discussion

Page metadata
Field Value
type claim
id no-genetic-nurturing-childhood-outcomes
title For childhood outcomes (academic achievement, ADHD symptoms), genetic-nurturing designs found only direct genetic effects and no genetic nurturing
description For childhood outcomes (academic achievement, ADHD symptoms), genetic-nurturing designs found only direct genetic effects and no genetic nurturing
status review
evidence_strength weak
newest_evidence 2021
generated by process:wiki-ingest on 2026-10-27
trust unverified — no one has confirmed this page's content
sources 1 — hart-2021

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