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. Author manuscript; available in PMC: 2013 May 6.
Published in final edited form as: Anim Cogn. 2011 Jun 14;15(1):15–25. doi: 10.1007/s10071-011-0425-2

Table 2.

Regression analyses of the mean percent of trials that subjects chose the constant option as a function of session number within each condition.

Variable to Constant Reward Ratio r2 β p value
1 0.08 0.01 0.06
1.5 0.10 0.18 0.05
2 0.08 0.02 0.05
2.5 0.15 −0.01 0.46
3 0.00 0.01 0.67
3.5 0.09 −0.06 0.07
4 0.03 −0.01 0.27
4.5 0.01 −0.01 0.58
5 0.28 −0.07 0.05
7.5 0.03 −0.02 0.21