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. Author manuscript; available in PMC: 2012 Apr 1.
Published in final edited form as: Psychol Rev. 2011 Apr;118(2):280–315. doi: 10.1037/a0022494

Table 1.

Experiment 1: Summary Fits (Percentage of Variance Accounted For) of Different Versions of the EBRW Model to the Choice Probability and Mean Response-Time Data.

Separate List Types
Aggregated Old New

Model P(Old) RT P(Old ) RT P(Old) RT
Core Version 96.5 83.4 72.3 86.7 79.0 80.9
Constant Sensitivity 95.5 59.5 73.6 75.3 69.9 47.4
Constant Memory Strength 94.8 78.2 69.4 76.2 65.3 79.6
Constant Sensitivity and
 Memory Strength
93.7 51.4 43.2 52.0 65.2 50.7
Constant Background Strength 96.6 82.0 69.4 84.6 80.9 79.9
Binary Distance 87.3 67.8 59.0 84.3 5.1 55.1