scobservation Observation Scenario Observation scenario of the planets game Christian Martel, Steve Giraud, Christine Ferraris, Laurence Vignollet, Guillaume Durand To observe the learning activity teacher Trails access ateliers/Atelier-pedagogique/enceintes-pour-planet-game/trails Observe the learning Activity trails_access teacher conditionStartObservation startObservation equalTo 1 conditionStopObservation stopObservation equalTo 1 conditionStartDeroulement startObservation equalTo 1 toObserve Start of the activity trails_access teacher infrastructure End of the activity trails_access teacher activite