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Release from PI Demonstration

Release from PI Demonstration. Langston, Cognitive Psychology. Instructions. You are going to see a list of words. Pay attention to the words and try to remember as many as you can.

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Release from PI Demonstration

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  1. Release from PI Demonstration Langston, Cognitive Psychology

  2. Instructions • You are going to see a list of words. • Pay attention to the words and try to remember as many as you can. • When the instruction to count appears, count backwards from the first number by the second number (e.g., if you saw count 247, 4, you would say 247, 243, 239…). • When the instruction to recall appears, write down the words. • There will be four trials.

  3. Instructions • Label the first set “Recall 1.” • Prepare to see words:

  4. BANANA

  5. PEACH

  6. APPLE

  7. COUNT BACKWARDS 278 5

  8. ***RECALL THE LIST***

  9. Instructions • Label the second set “Recall 2.” • Prepare to see words:

  10. PLUM

  11. APRICOT

  12. LIME

  13. COUNT BACKWARDS 436 3

  14. ***RECALL THE LIST***

  15. Instructions • Label the third set “Recall 3.” • Prepare to see words:

  16. MELON

  17. LEMON

  18. GRAPE

  19. COUNT BACKWARDS 322 7

  20. ***RECALL THE LIST***

  21. Instructions • Label the fourth set “Recall 4.” • Prepare to see words:

  22. DOCTOR

  23. TEACHER

  24. LAWYER

  25. COUNT BACKWARDS 184 4

  26. ***RECALL THE LIST***

  27. Data Analysis • First we’ll count recalls for each list: • Banana, peach, apple: • Plum, apricot, lime: • Melon, lemon, grape: • Doctor, teacher, lawyer:

  28. Data Analysis • What we expect to see:

  29. Data Analysis • Our class data:

  30. Discussion • Why would it be cheating to: • Let you count longer for the third list?

  31. Discussion • Why would it be cheating to: • Make the counting task harder for the third list?

  32. Discussion • Look at the data from Wickens, Dalezman, and Eggemeier (1976)…

  33. Discussion • How did I cheat in my selection of the third list?

  34. End Release from PI Demonstration

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