Irvin L K, Halpern A S
Am J Ment Defic. 1977 May;81(6):603-5.
The reliability and validity of the Social and Prevocational Information Battery (SPIB) for EMR individuals was evaluated with samples other than those on whom the battery was developed. Results substantiated initially reported reliability and validity indices and provided encouraging evidence for the general appropriateness of the SPIB for use with mildly retarded adolescents and young adults.
