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McKenzie, Michelle A.; Marchand-Martella, Nancy E.; Moore, Marion E.; Martella, Ronald C. – Journal of Direct Instruction, 2004
This study investigated the effects of teaching basic math skills to 16 children (11 typically developing, 5 with developmental delays) in an integrated university preschool. "Connecting Math Concepts Level K (CMC--K"; Engelmann & Becker, 1995) was delivered by the classroom teacher to small groups of 4 to 6 children over 6.5 weeks.…
Descriptors: Pretests Posttests, Mathematics Skills, Placement, Effect Size