Societal belongingness -- feelings of being a connected, an affiliated, and a respected member of the larger society -- may contribute to the understanding of adolescent development both as a person and a member of society in a multicultural context. The current study examined the psychometric properties and measurement invariance of the…

Background: Dynamic, relational developmental systems-based models of development emphasize that developmentally-nurturant youth-adult relationships elicit in youth perceptions of being known and loved. Although such perceptions are foundations of positive youth development (PYD), such measures do not exist. Objective: We sought to create a…

The transition to secondary school can be a challenging period for adolescents. Although several questionnaires exist to measure transition-related concerns, there is a need to develop a comprehensive survey for assessing the knowledge and skills that adolescents require to adapt effectively to a new school. Thus, the purpose of this study was to…

Emotional availability of parents plays a crucial role in the psychological well-being and development of adolescents. However, previous studies have primarily focused on assessing maternal emotional availability. The Lum Emotional Availability of Parents (LEAP) scale was developed, considering both mothers' and fathers' emotional availability.…

This paper serves as an introduction to the special issue of Prevention Science entitled, "Innovations and Applications of Integrative Data Analysis (IDA) and Related Data Harmonization Procedures in Prevention Science." This special issue includes a collection of original papers from multiple disciplines that apply individual-level data…