The database repository for Screening Accuracy and Cut-offs of the Polish Version of Communication and Symbolic Behavior Scales-Developmental Profile Infant-Toddler Checklist
Using the Early Childhood Longitudinal Study - Kindergarten Cohort 2011, we examine (i) whether more preschool attendees in a kindergarten classroom relate to higher academic and social skills for chi
These data are from Wave 1 data collection for the PROMIS Early Childhood (EC) Parent Report measure development and validation study (see Cella, Blackwell, & Wakschlag, 2022 for overview). Wave 1 dat