Methods Section

This research used a quasi-experimental design for third through fifth-grade students from 12 intact classrooms. There were 207 students in the study, which eliminated the possibility of the random assignments of participants. Students were examined in three groups: 68 students were in Group 1 from four noninclusion classrooms; 34 students were in Group 2 from two clustered inclusion classrooms; and 105 students were in Group 3 from six random inclusion classrooms.

Six variables were defined: 1) parental concerns; 2) teacher and parent-reported instances of problem behaviors on the part of students; 3) the academic performance of the students; 4) and student self-reported self-esteem. The researchers used three standardized instruments to measure the variables of interest, these being the CBCL, SEI, and SAT (mathematics, reading, spelling, and language subscales. The researchers also used their own parent concern questionnaire. The researchers explain each of the tests and what each measures...
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