What Helped Preterm Babies Catch Up Wasn't "Good Music" — It Was Singing Together

A Finnish team followed 45 preterm infants (24–34 weeks gestation) to ages 2–3 and asked which home music activities predicted language outcomes. The honest answer: only the activities parents and children did together mattered. Background music — even classical — didn’t.

May 23, 2026 · 7 min

"Just Let Them Play a Lot, Right?" — A Meta-Analysis Says the Quality of Play Matters More Than the Quantity

A meta-analysis of 34 studies and 188 effect sizes confirms that pretend play is linked to social competence in young children — but the link is stronger when researchers measured the richness of play rather than its duration.

April 26, 2026 · 6 min

How Do You Build a Child's Focus and Self-Control?

A comprehensive review in Science identified seven approaches that strengthen executive function in children aged 4–12 — and one principle that ties them together: narrow training rarely works.

April 15, 2026 · 9 min

Data from 150,000 Children Speaks — Does Father Involvement Actually Matter?

A meta-analysis of 65 studies and over 150,000 children finds that father involvement has a real, lasting effect on social-emotional development — and warmth matters more than time.

April 4, 2026 · 6 min