Child Evidence

Involved (non-custodial) grandparents are associated with modestly bet · Child Evidence

family law / grandparent involvement & child well-being

Involved (non-custodial) grandparents are associated with modestly better grandchild adjustment — fewer emotional and behavioral problems and more prosocial behavior — with the protective association strongest in single-parent, divorced, or high-adversity families; the evidence is correlational and confounded, effects are small, and custodial grandparent care shows the opposite association, driven by the adversity that necessitated it.

For the Court

Contested. Involved (non-custodial) grandparents are associated with modestly better grandchild adjustment, especially in adversity, but the evidence is correlational and custodial grandparent care shows the opposite.

What This Claim Does NOT Say

Does not claim grandparent involvement causes better outcomes; the evidence is correlational and confounded by family resources and the reasons grandparents become involved.
Does not equate supplementary grandparent involvement with custodial grandparent care; the latter is associated with worse outcomes because of the adversity that led to it.
Effects are small and strongest in adversity; the rating does not support overriding a fit parent's decisions about a child's contact (cf. Troxel v. Granville).
Does not establish that a particular grandparent relationship will benefit a particular child.

Scope — Where It Holds

Supported by large adolescent surveys (Attar-Schwartz et al., 2009) and studies in divorced and single-parent families (Ruiz & Silverstein, 2007; Jappens & Van Bavel, 2019; Henderson et al., 2009) showing a compensatory benefit of grandparent involvement. By contrast, a systematic review finds grandchildren in CUSTODIAL grandparent care fare worse than peers raised by parents (Xu et al., 2022) — a selection effect, not evidence that grandparenting harms.

Sources & Verification

Seminal

Attar-Schwartz, S., Tan, J.-P., Buchanan, A., Flouri, E., & Griggs, J (2009). Grandparenting and adolescent adjustment in two-parent biological, lone-parent, and step-families. Journal of Family Psychology.
Observational
Greater grandparent involvement was associated with fewer emotional problems and more prosocial behavior, with a stronger protective association among adolescents in lone-parent and step-families.
Bearing on this claim: Large survey: grandparent involvement -> fewer emotional problems, more prosocial; stronger in lone-parent/step.
doi.org/10.1037/a0014383

Supporting

Ruiz, S. A., & Silverstein, M (2007). Relationships with Grandparents and the Emotional Well-Being of Late Adolescent and Young Adult Grandchildren. Journal of Social Issues.

Precedent Bridge

Troxel v. Granville protects a fit parent's decisions about third-party (grandparent) contact; the modest, confounded benefit of grandparent involvement does not override that presumption.530 U.S. 57 (2000)

Limits & Counter-considerations

Evidence is largely cross-sectional and confounded by family resources and the reasons grandparents become involved; effects are small; and custodial-care findings reflect selection, not a grandparenting effect.

Full Dossier

Last reviewed June 28, 2026