Good college teachers present some information to students in the sense of what is currently believed so that a large part of work bases on current beliefs.
College requires, unlike high school, a different and higher type of understanding; a college student, who understands a material must perform another sort of intellectual work on the material i.e. critical examination and evaluation.
To achieve the understanding, good college teachers presents not authoritatively but rationally, so that college students should examine somethings which go with the theory.
Also, good college teachers presents and examines the basis on which the information is or should be believed.
Like the above, good teachers teach their students for them to be good students.