Fig. 6From: Primetime learning: collaborative and technology-enhanced studying with genuine teacher presencePre- and posttest scores in a 2016 (Npre = 59, Npost = 49) and b 2017 (Npre = 67, Npost = 56). The intensity of each point is proportional to the number of students with the given scores. Note that the tests in a and b were differentBack to article page