1. How can interventions increase motivation for physical activity? A systematic review and meta-analysis. Issue 3 (3rd July 2018) Authors: Knittle, Keegan; Nurmi, Johanna; Crutzen, Rik; Hankonen, Nelli; Beattie, Marguerite; Dombrowski, Stephan U Journal: Health psychology review Issue: Volume 12:Issue 3(2018) Page Start: 211 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗