Journal
CHILD DEVELOPMENT
Volume 93, Issue 4, Pages 1201-1222Publisher
WILEY
DOI: 10.1111/cdev.13760
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Funding
- Carlsberg Foundation [CF19-0715]
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This meta-analysis synthesizes data on parent-reported infant cry durations from 17 countries and 57 studies, finding that crying duration remains substantial in the first year of life.
Crying is an ubiquitous communicative signal in infancy. This meta-analysis synthesizes data on parent-reported infant cry durations from 17 countries and 57 studies until infant age 12 months (N = 7580, 54% female from k = 44; majority White samples, where reported, k = 18), from studies before the end Sept. 2020. Most studies were conducted in the United States, the United Kingdom, and Canada (k = 32), and at the traditional cry peak (age 5-6 weeks), where the pooled estimate for cry and fuss duration was 126 mins (SD = 61), with high heterogeneity. Formal modeling of the meta-analytic data suggests that the duration of crying remains substantial in the first year of life, after an initial decline.
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