INTRODUCTION: Well-being tends to decline during adolescence, and recent evidence documents that it also fluctuates within adolescents from day to day. Parents' use of positive behavior support is a well-established positive parenting strategy for promoting children's development, yet there is limited research investigating its implications during the adolescent developmental period. The current study evaluated the daily linkage between parents' use of positive behavior support and adolescents' well-being, and whether daily adolescent emotion regulation moderated these associations. METHODS: = 1.16), who completed a 21-day daily diary protocol. Participants were recruited across the United States between 2022 and 2024. RESULTS: Multilevel model results indicated that daily variations in adolescent emotion regulation moderated the relation between parents' use of positive behavior support and adolescent well-being. Specifically, daily parents' use of positive behavior support was linked to better well-being only on days when adolescents reported lower emotion regulation. CONCLUSIONS: Our study provides novel support for a support needs perspective-that on days when adolescents are struggling more with managing their emotions, parents' use of positive behavior support is most beneficial for adolescent well-being. These findings highlight the importance of examining parenting effect heterogeneity at the daily timescale.
Chen et al. (Thu,) studied this question.