Reliability and validity of the Portage assessment scale for clinical studies of mentally handicapped populations.
Source: Child: Care, Health and Development 19(2).
Abstract: Available at PubMed
Institution: Paajarvi Rehabilitation Centre, Ronni, Finland.
Subject headings: Abstracts, Brain damage, Children, Chronic illness, Daily living, Evaluation, Factor analysis, Intellectual disabilities, Metabolism disorders, Psychological tests, Research methodology