Table 8.

Average estimated learning rates (α) for the different stimulus types, chair and plane and deemed high and low inherent value stimuli for the two phases separately

StimulusPhase 1Phase 2
Mean ± SD (%)t(34)p valueMean ± SD (%)t(34)p value
Chair0.101 ± 0.1823.2640.0030.156 ± 0.2683.4660.002
Plane0.199 ± 0.2514.692<0.0010.214 ± 0.2844.463<0.001
High value0.139 ± 0.2014.382<0.0010.216 ± 0.2964.384<0.001
Low value0.161 ± 0.2463.628<0.0010.154 ± 0.2553.518<0.001
  • In Phase 1, positive stimulus signaled a loss outcome and neutral stimulus signaled a no-loss outcome. In Phase 2, neutral stimulus signaled a loss outcome, and positive stimulus signaled a no-loss outcome. The t(34) and corresponding p values are based on a one-sample t test against zero.