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. 2016 Nov 16;11(11):e0165974. doi: 10.1371/journal.pone.0165974

Table 2. ANOVA and coefficient summary of multilevel model of the 2014 data, monetary token exchange.

Fixed Effects Model coefficients
Source χ2 Df p < Source B Lower CI Upper CI b / rsd
 Experiment Round (Time) 0.86 1 0.35 Intercept 0.66 0.59 0.73
 Group 46.18 1 0.001 Time 0.01 -0.01 0.04 0.05
 Equality 38.74 2 0.001 Group -0.16 -0.25 -0.08 -0.67
 Group x Time 5.66 1 0.02 Equality: high vs equal 0.19 0.09 -0.14 0.78
 Equality x Time 17.25 2 0.001 Equality: low vs equal -0.22 -0.32 -0.12 -0.91
Random effects Time X Group -0.03 -0.06 -0.01 -0.14
Source Int. (SD) Slope (SD) R Time X Equality_high -0.04 -0.07 -0.01 -0/16
 Time | Game 0.00* 0.02* 0.22 Time X Equality_low 0.03 -0.00 0.06 0.13
 Time | Game | Particip 0.11* 0.03* 0.41
 Residual 0.25

Note: CI = 95% confidence interval. rsd = residual standard deviation. Int. = intercept.

Overall test of random effects χ2(4) = 34.3, p < 0.001. Phi of correlation structure = 0.23.

* p < 0.05 for random effects