This study assessed the validity of idiosyncratic choice-making behaviors of three children with multiple disabilities. Children were given either their "choice" of food or drink or were given the opposite. Direct observations of children's acceptance or refusal revealed the children consistently indicated choices during both conditions.…

Three experiments were conducted involving five people with profound multiple disabilities, to determine whether variations in alertness affected subsequent responsiveness to training programs. Findings suggest that existing levels of alertness do not indicate how individuals will respond during training and that alertness actually can be…

The representativeness of behavioral observation samples with durations of less than the whole time of interest was investigated with five profoundly mentally retarded physically handicapped adults in an institutional setting. It was found that the session representativeness was a function of the relative duration of the behavioral categories and…

A functional analysis of eye poking by a four-year-old female with severe developmental disabilities and visual impairments showed that high rates occurred in all conditions. Attempts to identify the maintaining variable found that eye poking decreased only when finger-eye contact was interrupted by blocking the response. (Author/DB)