Characterizing preschooler's outdoor physical activity: The comparability of schoolyard location- and activity type-based approaches

Publication date: 3rd Quarter 2021Source: Early Childhood Research Quarterly, Volume 56Author(s): Kimberly A. Clevenger, Karl T. Erickson, Sue C. Grady, Karin A. Pfeiffer
Source: Early Childhood Research Quarterly - Category: Child Development Source Type: research