Relative versus absolute reinforcement effects: implications for preference assessments.

@article{Roscoe1999RelativeVA,
  title={Relative versus absolute reinforcement effects: implications for preference assessments.},
  author={Eileen M Roscoe and Brian A. Iwata and Sung Woo Kahng},
  journal={Journal of applied behavior analysis},
  year={1999},
  volume={32 4},
  pages={479-93}
}
We compared results obtained in two previous studies on reinforcer identification (Fisher et al., 1992; Pace, Ivancic, Edwards, Iwata, & Page, 1985) by combining methodologies from both studies. Eight individuals with mental retardation participated. During Phase 1, two preference assessments were conducted, one in which stimuli were presented singly (SS method) and one in which stimuli were presented in pairs (PS method). Based on these results, two types of stimuli were identified for each… CONTINUE READING

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