The Developmental Disabilities Assistance
and Bill of Rights Act (DD Act)

Administration on Developmental Disabilities
Policy Memos/Information Memos

Return to DD Act Page

  DD Definition:  
1977 A Study of the Definition of DD, HEW #105-76-5004 Abt Associates, February 1, 1977. 77-DEF-HEW
1977 Final Report of The National Task Force on the Definition of DD Submitted to Congressional Committees (October 1977) Elinor Gollay, Abt Associates. 77-DEF-GOL
1978 Program Data Review – A Compilation of Rates of Prevalence of the Developmental Disabilities, US Dept. HEW 78-ACR-HEW
1979 Summary of the Technical Advisory Committee Meeting on The Study of the Potential Impact of the Definition Recommended by the National Task Force on the Definition of DD, HEW 105-78-5003 February 5-6, 1979. Morgan Management Systems, Inc. 79-DEF-MOR
1979 Summary of the Second Technical Advisory Committee Meeting on The Study of the Potential Impact of the Definition Recommended by the National Task Force on the Definition of DD, HEW 105-78-5003 June 11-12, 1979. Morgan Management Systems, Inc. 79-DEF2-MOR
1979 A Numerical and Functional Description of the DD Population in the U.S. by Major Life Activities as Defined in the DD Act by Elizabeth Boggs and R. Lee Henney EMC Inst, (no date but references the 1978 DD Act). 78-DEF-BAH
1980 Operational Definition of DD (second draft), March 1980, by Elinor Gollay. 80-DEF-GOL
1981 Operational Definition of DD by Elinor Gollay, June 1981. 81-DEF-GOL
1981 Summary Report on the Implications of Modifying the Definition of a DD, Elinor Gollay, Gollay & Associates, June 1981. 81-DSR-GOL
1982 Standard Measurement Tools for Identifying the DD Population by R. Lee Henney, ICP, April & July 1982. 82-DEF-HEN
1983 Issues Regarding Operationalizing the Federal Definition of Developmental Disability; Michael W. Smull, Michael L. Sachs 83-IRO-Smull-Sachs