value ~ within.factor + (1|subject)

Coefficients:
            Estimate Std. Error t value Pr(>|t|)
(Intercept) -0.01687    0.01102  -1.530  0.12744
Var2a2      -0.02152    0.01559  -1.380  0.16904
Var2a3      -0.11179    0.01559  -7.170 1.27e-11 ***
Var2a4       0.02118    0.01559   1.358  0.17580
Var2a5      -0.02218    0.01559  -1.423  0.15625
Var2a6       0.01788    0.01559   1.147  0.25276
Var2a7       0.01802    0.01559   1.156  0.24914
Var2a8       0.02882    0.01559   1.849  0.06593 .
Var2a9      -0.04253    0.01559  -2.728  0.00692 **
Var2a10     -0.04405    0.01559  -2.825  0.00518 **
Var2a11      0.01922    0.01559   1.233  0.21909