Mrs. Sawyer is a general education teacher with a class of 26 students. Six of those students have been identified as gifted and talented. Mr. Lucas, a teacher who is certified in teaching students who are gifted and talented, spends one fourth of his time providing differentiated instruction to these students in the general education classroom. This arrangement is known as ________.
◦ cluster ability grouping
◦ cluster performance grouping
◦ like ability cooperative learning groups
◦ dual differentiation