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Peer reviewedCole, Kevin N.; And Others – Language, Speech, and Hearing Services in Schools, 1989
A study with 10 developmentally delayed children between the ages of 52 and 80 months found that test-retest samples resulted in greater variability for lexical and morphological measurements than split-half transcripts. It was also found that 50-utterance sample segments contained 70-80 percent of the lexical information found in 100-utterance…
Descriptors: Developmental Disabilities, Evaluation Methods, Language Handicaps, Language Tests
Peer reviewedSigafoos, 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
