Medium,Topic,N,Mean_Gain,SD_Gain,Cohens_d,t_stat,p_value Chat,Mendel,6,14.467,11.5,1.258,-3.082,0.0274 Chat,DNA-Replikation,6,22.217,20.952,1.06,-2.597,0.0484 Chat,Ökologie,6,-3.35,3.67,-0.913,2.236,0.0756 Video,Mendel,6,4.417,3.421,1.291,-3.162,0.025 Video,DNA-Replikation,6,16.667,32.092,0.519,-1.272,0.2593 Video,Ökologie,6,-0.017,8.443,-0.002,0.005,0.9963 VR,Mendel,6,14.45,12.959,1.115,-2.731,0.0412 VR,DNA-Replikation,6,11.117,13.134,0.846,-2.073,0.0929 VR,Ökologie,6,15.55,36.21,0.429,-1.052,0.341