ResearchLong-term cohort studyEvidence: Large study or reviewAges 2–5
Association Between Screen Time and Children's Performance on a Developmental Screening Test
Author or publisher Madigan et al., JAMA Pediatrics Published 2019 Reviewed by eduStack editors Last checked 13 Nov 2026
1What the study found
Following about 2,400 children, more screen time at 2 and 3 years was linked to poorer developmental screening results a year or more later.
2Sources and check record
https://doi.org/10.1001/jamapediatrics.2018.5056 Madigan et al., JAMA Pediatrics. Association Between Screen Time and Children's Performance on a Developmental Screening Test. 2019. doi:10.1001/jamapediatrics.2018.5056 Last checked · 13 Nov 2026