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Program Evaluation of Special Education Curricular Efforts in Both Self-Contained Classes and Resource Rooms: The Use of a Modified Case-Study Approach with Both Normative and Criterion-Referenced Data in a Complex Service Delivery System to Help Address the Problem of Extreme Variability.
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Proger, Barton B.; And Others – 1976
The problem of variability of data, even in presumable homogeneous subgroupings of handicapped children, which contaminates the results of many special education curriculum evaluation studies is examined with a study of 103 second-grade learning disabled students. The distortion of statistics calculated on samples of extreme variability; coupled…
Descriptors: Behavioral Objectives, Case Studies, Curriculum Evaluation, Exceptional Child Research