The Negative Relationship Between Objectively Assessed Physical Activity and Total Smartphone Usage: Direct Original Research. Research in Psychology and Behavior, [S. l.], v. 2, n. 1, 2022. DOI: 10.53520/rdpb2022.10747. Disponível em: https://www.researchdirects.com/index.php/psychology/article/view/47. Acesso em: 21 apr. 2026.