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Cedp 402 chapter 23
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Cedp 402 chapter 23

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Transcript

  • 1. Behavior Modification
    Single Subject Research Design
  • 2. Single Subject (small n)
    Problems with group analysis
    Individual differences are ignored
    These are important factors!
    This logic is based on farming analysis!
    The logic of single subject is high levels of internal validity (control) then replication.
    Systematic,
    Direct
  • 3. Experimental Single Subject Design
    Using a subject as their own control
    If we establish a pattern of responding and then change that pattern of responding at the exact moment the IV is present we conclude that it was the IV that had the effect
  • 4. Reversal design
    • Shifting conditions – must be something that is not a permanent change
    • 5. Baseline (Stability)
    • 6. Treatment (stability)
    • 7. Baseline (stability)
    • 8. Treatment (stability)
    • 9. ABA designs, ABAB designs, ABAC
    • 10. Showing effects across people
    • 11. Ethics
  • Multiple Baseline
    Several individuals
    Baselines overlap to control for environmental variables.
    The treatment is then introduced at different times for each
    If the behavior changes in each person at the treatment time, then the IV has the effect.