Doctoral Thesis (IMAGE) Estonian Research Council Caption Effects of perceived autonomy-supportive and controlling behaviour from physical education teachers on students' psychological needs and health-related quality of life. Credit University of Tartu Usage Restrictions The image may only be used with appropriate caption or credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.