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Meyer, Martha J. – Remedial and Special Education (RASE), 1992
Special educators reading research articles are urged to pay attention to how subject populations of children with disabilities are selected and described. Researchers are urged to disregard educational "categories" of children and to select subjects who demonstrate the variable under study. (DB)
Descriptors: Disabilities, Experimental Groups, Participant Characteristics, Research Methodology

White, Karl R.; Pezzino, James – Topics in Early Childhood Special Education, 1986
The paper summarizes and presents counter arguments against positions claiming that randomized experiments in early childhood are unnecessary, impractical, or unethical. It is concluded that more frequent use of randomized experiments in early childhood special education would provide more effective program evaluation data for resource allocation…
Descriptors: Disabilities, Early Childhood Education, Ethics, Experimental Groups