The document discusses the implementation of Discovery Zones (DZs) in three classrooms - 5th, 3rd, and 1st grade. DZs aimed to promote learning through structured activity stations. Observations found DZs reduced problem behaviors and increased assignment completion in 5th grade. Younger grades saw limited participation and required teacher assistance. The document outlines research questions on behavior and assignment completion. It recommends modifying DZ activities for lower grades and implementing DZs school-wide with non-worksheet activities.