Haible 2019.

Study name	GEKOS
Methods	Study design: cluster‐RCT
Participants	School type: secondary schools; ninth grade students Region: Baden‐Wuerttemberg, Germany
Interventions	Number of experimental conditions: 4 (2 intervention 2 waitlist control; control (CG‐run, CG‐game play) or the experimental conditions (IG‐run, IG‐game play). Policies, practices or programmes targeted by the intervention The study is designed to investigate the superiority of an intervention compared to a control condition. The 2 intervention programmes only differ in the type of PA that is carried out during these lessons; the run intervention involves running and jumping activities, while the game play intervention focuses on small‐sided games and football as well as handball drills. Implementation strategies EPOC: educational materials ‐ Manual and materials EPOC: educational meetings ‐ Teacher 2‐hour training
Outcomes	Outcome relating to the implementation of childcare service policies, practices or programmes Intervention group teachers fill out the self‐report form which assesses intervention delivery of the different steps of the learning process, any deviations and potential incidents. Control group teachers also complete a self‐report form to record their class contents.
Starting date	14 September 2017
Contact information	Mr Prof Dr Gorden Sudeck, Institut für Sportwissenschaft der Eberhard Karls Universität Tübingen
Notes	Trial registration: DRKS00016349