If a student believes the professor holds the ultimate truth, they will view peer discussion as a massive waste of time; just a bunch of clueless classmates pooling their ignorance instead of giving them the answers.
“…absolute knowers expected the instructor to provide answers and judged those who used unguided group discussion as ineffective” (Baxter Magolda, 1992).
References
Baxter Magolda, M. B. (1992). Teaching Responsively to Different Ways of Knowing. In Knowing and Reasoning in College: Gender-Related Patterns in Students’ Intellectual Development (1st ed). Jossey-Bass.