Bentley college launched a comprehensive diversity initiative, which includes frequent diversity retreats for faculty, staff, and student leaders. what basic type of diversity training is bentley using?

I believe the answer is: learning and effectiveness

 learning and effectiveness refers to The degree to which learning outcomes have been experienced by the students or whether the learning method that used is effective.
To fully realized effective learning, teachers and other staffs are advised to design their curriculum in such a way that included different varieties of students in the learning environment. (not stucked to one specific method)

Correct textbook answers would be 1,3, and 5