Using behavioural network mapping to investigate dyadic play in girls with congenital adrenal hyperplasia.
Level 3 - non-randomized controlled study
Non-randomized comparative observational study with clinical and non-clinical control groups
PubMed 39222059 · doi:10.1111/bjdp.12520
What was done
In an exploratory observational study, 40 focal children aged 3 to 8 years (girls and boys, with and without congenital adrenal hyperplasia [CAH]) engaged in a 14-minute play session with a same-sex peer using a task designed to elicit rough-and-tumble play. Researchers evaluated time-indexed ratings of positive affect and activity vigour using behavioural network mapping to assess sex-related differences in behavioural levels and dyadic temporal dynamics.
What was found
The abstract reports no numerical values, effect sizes, or confidence intervals. Dyadic synchrony between positive affect was greater for girls (regardless of CAH status) than for boys. However, girls with CAH exhibited positive affect levels and directed vigorous peer play dynamics similar to boys.
Why it matters
This paper helps separate the developmental influences on childhood play styles, suggesting prenatal androgens shape activity vigour while gender-aligned social processes influence affective synchrony.
Limits
The sample size is very small (40 focal children split across four comparison groups) and exploratory. No numerical statistics or effect sizes are provided in the abstract. The brief 14-minute structured laboratory task may not reflect naturalistic daily peer interactions.