This study attempted to operationalize, measure, and increase happiness among five adults with profound mental and physical disabilities. Happiness indices were defined and observed. Most preferred stimuli-produced increases in happiness indices, and practitioner ratings of participant happiness coincided with observed indices. Discussion focuses…

This review of behavioral research on teaching individuals with profound multiple handicaps found that behavior change has resulted from contingency management interventions, but the behavior changes cannot be described as beneficially affecting the individuals' quality of life. Explanations for this are offered, and suggestions for future…