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. Author manuscript; available in PMC: 2009 Jun 8.
Published in final edited form as: Psychol Rev. 2009 Jan;116(1):59–83. doi: 10.1037/a0014086

Table 3.

Response Accuracy as a Function of Confidence Category

Experiment and
condition		 Confidence category
−−− −− − + ++ +++
Experiment 1 .79 .73 .67 .64 .73 .84
Experiment 2: Accuracy .90 .78 .73 .63 .74 .93
Experiment 2: Speed .79 .72 .69 .60 .68 .84

“−−−”is high confidence new and “+++” is high confidence old and the other symbols represent lower confidence responses.