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Nieminen, Timo A.; Choi, Serene Hyun-Jin – International Journal of Research & Method in Education, 2008
Quantitative behaviour analysis requires the classification of behaviour to produce the basic data. This can be challenging when the theoretical taxonomy does not match observational limitations, or if a theoretical taxonomy is unavailable. Binary keys allow qualitative observation to be used to modify a theoretical taxonomy to produce a practical…
Descriptors: Developmental Disabilities, Behavioral Science Research, Classification, Identification

Gaudet, Laura; Pulos, Steve; Crethar, Hugh; Burger, Susan – Education and Training in Mental Retardation and Developmental Disabilities, 2002
In this study, self-reports of 34 individuals with developmental disabilities (DD) were compared with proxy ratings from family and providers. Correlations between the ratings of individuals with DD and the proxy raters were low, as were the correlations between family members and providers. In all scales except "cognition," the individual with DD…
Descriptors: Adults, Developmental Disabilities, Evaluation Methods, Interrater Reliability

Sigafoos, Jeff; Pennell, Donna – Education and Training in Mental Retardation and Developmental Disabilities, 1995
Comparison using paired t-tests of parent and teacher ratings for 16 preschool children on the Receptive-Expressive Emergent Language Scale found no significant differences between parent and teacher ratings of expressive language, but a significant difference on the receptive language subscale. However, interrater reliability was relatively low…
Descriptors: Developmental Disabilities, Expressive Language, Interrater Reliability, Language Skills