motivation score intrinsic 12 intrinsic 12 intrinsic 12.9 intrinsic 13.6 intrinsic 16.6 intrinsic 17.2 intrinsic 17.5 intrinsic 18.2 intrinsic 19.1 intrinsic 19.3 intrinsic 19.8 intrinsic 20.3 intrinsic 20.5 intrinsic 20.6 intrinsic 21.3 intrinsic 21.6 intrinsic 22.1 intrinsic 22.2 intrinsic 22.6 intrinsic 23.1 intrinsic 24 intrinsic 24.3 intrinsic 26.7 intrinsic 29.7 extrinsic 5 extrinsic 5.4 extrinsic 6.1 extrinsic 10.9 extrinsic 11.8 extrinsic 12 extrinsic 12.3 extrinsic 14.8 extrinsic 15 extrinsic 16.8 extrinsic 17.2 extrinsic 17.2 extrinsic 17.4 extrinsic 17.5 extrinsic 18.5 extrinsic 18.7 extrinsic 18.7 extrinsic 19.2 extrinsic 19.5 extrinsic 20.7 extrinsic 21.2 extrinsic 22.1 extrinsic 24