Behavior change interventions are effective to the extent that they affect appropriately-
measured outcomes, especially in experimental controlled trials. The primary goal of this …

Background Research on the motivational model proposed by Self-Determination Theory
(SDT) provides theoretically sound insights into reasons why people adopt and maintain …

OBJECTIVES: This study analyzed mechanisms by which a one-year obesity treatment
intervention based on self-determination theory (SDT) influenced physical activity level and …

Objective: We conducted a meta-analysis of randomized controlled trials (RCTs) to promote
health behavior change based on self-determination theory (SDT). The review aimed to (a) …

A growing number of studies have pulled from Deci and Ryan's Self-Determination Theory to
design interventions targeting health behavior change. More recently, researchers have …

OBJECTIVES: To examine feasibility, acceptability and preliminary results of a Self-
Determination Theory (SDT)-based exercise intervention with a Healthy at Every Size …

The papers of this special issue have the dual focus of reviewing research, especially
clinical trials, testing self-determination theory (SDT) and of discussing the relations between …

This special issue consists of 16 articles on the application of the self-determination theory
(SDT) in sport, physical activity or exercise. The first article develops a revised version of the …

Mounting evidence implicates health behaviors (eg, nutrition, physical activity, tobacco
abstinence) in various health outcomes. As the science of behavior change has emerged …

OBJECTIVES: To provide a methodological overview of a computerized intervention to
promote leisure-time physical activity (PA) and to apply self-determination theory (SDT) to …