TY - T1 - Adolescents' physical activity : The role of autonomous motivation and self-regulation techniques SN - / UR - URN:NBN:fi:hulib-201703272823; http://hdl.handle.net/10138/135282 T3 - A1 - Nurmi-Kettunen, Johanna A2 - PB - Helsingfors universitet Y1 - 2014 LA - eng AB - Background: Lack of physical activity brings about numerous unfavourable long term health outcomes and is therefore a major public health concern. There is consistent evidence that physical activity is predicted better with autonomous than controlled forms of motivation. Meta-analyses have also shown that self-regulatory techniques, such as planning or self-monitoring, are related to increased behavioural execution. Objectives: A model integrating Self-Determination Theory and Control Theory w... VO - IS - SP - OP - KW - Social Psychology; Sosiaalipsykologia; Socialpsykologi N1 - PP - ER -