An online intervention to increase physical activity: Self-regulatory possible selves and the moderating role of task self-efficacy

Autor: Strachan, Shaelyn M., Marcotte, Meghan M.E., Giller, Tara M.T., Brunet, Jennifer, Schellenberg, Benjamin J.I.
Zdroj: In Psychology of Sport & Exercise July 2017 31:158-165
Databáze: ScienceDirect