Editorial

Oberst Ursula, Miquel Àngel Prats Fernández

9

Validation of the Online Political Engagement Scale in a British population survey

Ana Isabel Pontes, Matt Henn, Mark D. Griffiths, Halley M. Pontes

13-21

Efecto terapéutico del afecto positivo

Fernando Gordillo-León, Lilia Mestas-Hernández, Miguel Ángel Pérez-Nieto, José M. Arana-Martínez, Rafael Manuel López-Pérez

31-38

The Portrait Values Questionnaire: A bibliographic and bibliometric review of the instrument

Jordi Simón, Carles Pérez-Testor, Elizabeth Alomar Kurz, Francesca Danioni, Leire Iriarte, Susana Cormenzana, Ana Martínez

39-50

Students as digital leaders in the classroom

Elena Sofía Ojando, Maribel Benito, Miquel Àngel Prats

53-60