Cedp 402 chapter 23

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Cedp 402 chapter 23

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

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