1. Project Ecosystems: An ecobehavioral approach to families with children with developmental disabilities

   • John R. Lutzker
   • Randy V. Campbell
   • Kim B. Huynen

   OriginalPaper Pages: 1 - 14

2. Assessment of reinforcer preference in multi-handicapped students

   • Jennifer G. Leatherby
   • David L. Gast
   • Belva C. Collins

   OriginalPaper Pages: 15 - 36

3. Adult adjustment of persons with severe/profound mental disabilities: A longitudinal study

   • Alan R. Frank
   • Patricia L. Sitlington
   • Rori Carson

   OriginalPaper Pages: 37 - 50

4. A study of the demographic and attitudinal differences between paraprofessionals and teachers in self-contained special education classrooms

   • Kathryn A. Haring
   • Drucilla Saren
   • Marian N. Shelton

   OriginalPaper Pages: 51 - 73

5. Reliability and validity issues in social validation research involving persons with developmental disabilities

   • Keith Storey

   OriginalPaper Pages: 75 - 81

6. Encopresis in a multihandicapped child: Rapid multidisciplinary treatment

   • Lauren M. Jansson
   • Ofra Diamond
   • Howard B. Demb

   OriginalPaper Pages: 83 - 90

7. Timothy W.: The zero reject principle revisited

   • Antonis Katsiyannis

   OriginalPaper Pages: 91 - 95

8. Two decades of treatment for self-injurious biting in individuals with mental retardation or developmental disabilities: A treatment focused review of the literature

   • Mathew G. Hile
   • Madeleine K. Vatterott

   Erratum Pages: 97 - 97