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Roya Abbasi-Asl; Natasha Keces; Richard M. Lerner; Margaret Mackin; Dian Yu; Elizabeth M. Dowling; Jonathan M. Tirrell; Alexa Hasse; Kirsten Olander; Angela Larkan; Chuma Mashita; Raah Msimango; Sinenhlanhla Mkhithi; Tyler Howard – Child & Youth Care Forum, 2025
Background: Nomothetic, group differential, and idiographic approaches are all needed to fully understand youth development. However, most research on youth character development has traditionally relied on either the nomothetic approach to study whole sample changes or the differential approach to study changes in predefined groups (e.g.,…
Descriptors: Foreign Countries, Moral Development, Youth, Individual Development
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Aja Louise Murray; Josiah King; Zhuoni Xiao; Denis Ribeaud; Manuel Eisner – International Journal of Behavioral Development, 2025
To illuminate individual differences in the development of attention-deficit hyperactivity disorder (ADHD) symptoms in the general population, psychometric measures are needed that can capture general population-level symptom variation reliably, validly, and comparably from childhood through to the transition to adulthood. The ADHD subscale of the…
Descriptors: Foreign Countries, Children, Adolescents, Young Adults