1. Agency and participation (e.g., civic engagement, volunteering, digital activism, political engagement, environmental activism, solidarity)
2. Body and brain (e.g., biology, neuroscience, biological & neurological mechanisms, genetics, physical growth development, sleep)
3. Social, emotional and moral development (e.g., wellbeing, empathy, prosocial behaviour, emotion regulation, emotional development, coping, resilience)
4. Developmental psychopathology (e.g., anxiety, depression, suicidality, health risk behaviours, addiction, substance use, aggression & conduct problems)
5. Relationships (e.g., parenting styles, family relations, parent-adolescent relationships, dating, romantic relationships, sexuality, role models)
6. Peers (e.g., peer influence, friendship, popularity, bullying, delinquency)
7. Self and identity (e.g., narrative identity, identity development, self-concept, body image, temperament, personality)
8. Prevention, intervention and policy (e.g., clinical prevention or treatment, community-based interventions, cultural adaptation of interventions, positive youth development, school interventions)
9. Diversity, culture and society (e.g., gender, sexual orientation, ethnicity, minority groups, religion, cultural and cross-cultural research, social disadvantage, inequality, neighbourhoods, community, leisure time)
10. Digitality (e.g., digital identities, smartphones, social media, video games, gamification, technology, media literacy)
11. Education and careers (e.g., achievement, motivation, schooling, cognitive & language development, college, engagement, career choice and development, employability)