title: SENSITIVITY OF PASSIVE APPROACH DURING PREFERENCE AND REINFORCER ASSESSMENTS FOR CHILDREN WITH SEVERE AND PROFOUND INTELLECTUAL DISABILITIES AND MINIMAL MOVEMENT.
abstract: We evaluated the use of passive approach to assess preferences of two children, with severe and profound intellectual disabilities. Both children had physical challenges and exhibited minimal physical movement. We also compared the relative reinforcing effects of the identified high and low preference stimuli for a switch pressing response, and for a more passive looking response. High and low preference stimuli were identified for both children. Moreover, the high preference stimulus maintained higher rates of responding than the low preference stimulus for both children for the passive looking response, but not for switch pressing. The study extended the use of passive approach to assess preferences and identified the choice of target response as a potential limiting factor during reinforcer tests for these children.
authors.affiliation: University of Manitoba and St. Amant, Canada.
authors.forename: Sara
authors.initials: S
authors.lastname: Spevack
authors.forename: C T
authors.initials: CT
authors.lastname: Yu
authors.forename: May S
authors.initials: MS
authors.lastname: Lee
authors.forename: Garry L
authors.initials: GL
authors.lastname: Martin
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