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Table 1 Stimuli values and probability, averaged across participants, that a specific stimulus pair was displayed during a high reward (HR) block or a low reward (LR) block

From: Single-trial dynamics explain magnitude sensitive decision making

Dot pairs HR probability LR probability
Equal alternatives (12, 18, 24, 30 or 36 dots) 0.040 0.040
12 vs 10 OR 12 vs 14 0.068 0.108
18 vs 15 OR 18 vs 21 0.061 0.089
24 vs 20 OR 24 vs 28 0.075 0.074
30 vs 25 OR 30 vs 35 0.088 0.062
36 vs 30 OR 36 vs 42 0.108 0.067
  1. Conditions of interest, equal alternatives, always had the same probability of being presented on screen, across sessions (accuracy versus value) and overall reward received (high versus low). In particular, each pair of equal alternatives (e.g., 12 versus 12 dots, 18 versus 18 dots etc) had a probability of .04 of being presented, for a total of 20% of equal alternatives presented during the experiment