Twenty- First Century Models of Motivation and Personality in Persons with Intellectual Disability.
Motivating persons with mental retardation.
Self-Determination, Casual Agency, and Mental Retardation.
The Role of Motivation in the Decision Making in Adolescents with Intellectual Disability.
Individual Differences in Interpersonal Relationships for Persons with Mental Retardation.
Diagnosis of Depression in People with Developmental Disabilities: Progress and Problems.
Learning Disabilities and Depressive Episodes.
Motivation and Etiology-Specific Cognitive –Linguistic Profiles.
Motivation and Adaptive Behavior.
Behavior-Analytic Experimental Strategies and Motivational Processes in Persons with Mental Retardation.