Students working in teams to complete software tasks is an effective method to learn necessary skills. Previously we examined the educational effectiveness as a function of personal characteristics, but the findings were inconclusive. Because we hypothesize that team discussions impact learning and are related to educational effectiveness, this study investigates the influence of team discussions on learning effectiveness in various types of software engineering education courses. Students' responses to questionnaires about how much students contribute to discussions indicate that learning effectiveness and the number of remarks during a discussion are related. Additionally, upon comparing two learning courses (a system development course and a IT management course), two antithetical results are elucidated. We expect that this research will help improve the effectiveness of educators leading student team discussions.