Intervention increased alignment of parental beliefs with scientific evidence among Polish parents in Norway.
This randomized controlled trial enrolled 76 Polish parents living and intending to raise their children in Norway. The study compared an intervention designed to align parental beliefs about language development and bilingualism with evidence-based recommendations against a control condition. The primary outcome measured the alignment of parental beliefs with scientific evidence.
At posttest, the intervention was effective in increasing alignment of parental beliefs with scientific evidence. The variance in parents' alignment of beliefs with science at posttest was accounted for by 28.5% of participation in the experimental intervention. Greatest gains were observed among participants whose initial beliefs were the least aligned with science.
No adverse events, serious adverse events, discontinuations, or tolerability data were reported. The study noted that gains were not associated with individual engagement in the intervention, prior parenting experience, or education level. A key limitation is that future directions must investigate whether changes in parental beliefs translate into improved language outcomes for their children.
The study provides early evidence that targeted educational interventions can shift parental beliefs regarding bilingualism. However, the lack of reported safety data and the absence of child outcome measures limit the immediate clinical applicability. Clinicians should interpret these findings as preliminary support for educational programs rather than definitive proof of improved child language development.
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