Effect Removed - 2 Log Likelihood Difference DF p-value - 146772.50 - - - Age 146780.13 7.63 2 0.0220 Gender 146922.06 149.56 2 <0.0001 Task × Period 148038.12 1265.62 16 <0.0001 DF = Degrees of Freedom

Table 1: Likelihood Ratio Tests for Fixed Effects.