Genome-wide association studies of infant and toddler temperament in European and multi-ancestry populations

This study was preregistered on the Open Science Framework (https://osf.io/2yznd) on 18 January 2024. Deviations from the preregistration are outlined in Supplementary Note 4. Individual cohorts followed a standard operating procedure (SOP) document (https://osf.io/jyk6d/). The overall study…