Assuming armen is required, and shaomian is required, and bob is required, and heere is required, the following result was found.
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classroom attention: professor vs. laptop. Retrieved from the Chronicle of Higher Education, 2, A27-A29. authors: Armen Shaomian & Bob Heere author_ids: 2699 authors: Armen Shaomian & Bob Heere author_ids: 2699