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Beads task

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Beads task

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  1. Robert Dudley Newcastle Cognitive Therapy Centre Modified by Philippa Garety and Daniel Freeman Beads task 85:15 ratio draws till decision 1 memory aide

  2. There are two jars: A mainly orange jar containing 85 orange and 15 black beads and a mainly black jar containing 85 black and 15 orange beads Mainly Black Jar (85 black; 15 orange) Mainly Orange Jar (85 orange; 15 black)

  3. The beads have been mixed up in the jar. Mainly Black Jar (85 black; 15 orange) Mainly Orange Jar (85 orange; 15 black)

  4. One of the jars has been chosen at random. Beads will be drawn from the selected jar and shown. The beads will always come from the same jar and will be replaced afterwards so that the proportions stay the same.It is your job to decide from which jar the beads have come. You may see as many beads as you like before making a decision. After a bead has been shown to you, you can ask for another bead or you can tell me that you know which jar has been chosen, and you can tell me whether it is the Mainly Orange Jar or the Mainly Black Jar.Remember you can see as many beads as you like before you decide from which jar the beads are from. Only decide when you are certain.You will now see the first bead.

  5. BEADS PREVIOUSLY SEEN The bead drawn is: Would you like to see any more beads or have you decided now?

  6. BEADS PREVIOUSLY SEEN The bead drawn is: Would you like to see any more beads or have you decided now?

  7. BEADS PREVIOUSLY SEEN The bead drawn is: Would you like to see any more beads or have you decided now?

  8. BEADS PREVIOUSLY SEEN The bead drawn is: Would you like to see any more beads or have you decided now?

  9. BEADS PREVIOUSLY SEEN The bead drawn is: Would you like to see any more beads or have you decided now?

  10. BEADS PREVIOUSLY SEEN The bead drawn is: Would you like to see any more beads or have you decided now?

  11. BEADS PREVIOUSLY SEEN The bead drawn is: Would you like to see any more beads or have you decided now?

  12. BEADS PREVIOUSLY SEEN The bead drawn is: Would you like to see any more beads or have you decided now?

  13. BEADS PREVIOUSLY SEEN The bead drawn is: Would you like to see any more beads or have you decided now?

  14. BEADS PREVIOUSLY SEEN The bead drawn is: Would you like to see any more beads or have you decided now?

  15. BEADS PREVIOUSLY SEEN The bead drawn is: Would you like to see any more beads or have you decided now?

  16. BEADS PREVIOUSLY SEEN The bead drawn is: Would you like to see any more beads or have you decided now?

  17. BEADS PREVIOUSLY SEEN The bead drawn is: Would you like to see any more beads or have you decided now?

  18. BEADS PREVIOUSLY SEEN The bead drawn is: Would you like to see any more beads or have you decided now?

  19. BEADS PREVIOUSLY SEEN The bead drawn is: Would you like to see any more beads or have you decided now?

  20. BEADS PREVIOUSLY SEEN The bead drawn is: Would you like to see any more beads or have you decided now?

  21. BEADS PREVIOUSLY SEEN The bead drawn is: Would you like to see any more beads or have you decided now?

  22. BEADS PREVIOUSLY SEEN The bead drawn is: Would you like to see any more beads or have you decided now?

  23. BEADS PREVIOUSLY SEEN The bead drawn is: Would you like to see any more beads or have you decided now?

  24. BEADS PREVIOUSLY SEEN The bead drawn is: You must decide now.