ERIC Number: EJ397826
Record Type: CIJE
Publication Date: 1989
Reference Count: 0
Issues in the Definition of Mental Retardation and the Representativeness of Studies.
Richardson, Stephen A.
Research in Developmental Disabilities, v10 n3 p285-94 1989
The history of epidemiological studies of mental retardation in childhood was reviewed to determine the amount of agreement on prevalence rates; the review showed a decreasing trend over the past 30 years. Reasons are provided to explain these falling rates as well as the lower prevalence rates in adults than in children. (Author/PB)
Publication Type: Journal Articles; Information Analyses
Education Level: N/A
Authoring Institution: N/A