1. Evaluating quality of implementation in physical activity interventions based on theories of motivation: current challenges and future directions. Issue 1 (1st January 2017) Authors: Quested, Eleanor; Ntoumanis, Nikos; Thøgersen-Ntoumani, Cecilie; Hagger, Martin S.; Hancox, Jennie E. Journal: International review of sport and exercise psychology Issue: Volume 10:Issue 1(2017) Page Start: 252 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗