and perseverance. It helped participants of the study to avoid TV and unhealthy eating.

But question “How I do something” hadn’t already such an good effect.

Fujita, Kentaro; Trope, Yaacov; Liberman, Nira; Levin-Sagi, Maya; Construal levels and self-control; 
Journal of Personality and Social Psychology, Vol 90(3), Mar 2006, 351-367.