Dear FSL experts, kindly is this contrast (0 0 1 1) correct for a multiple linear analysis between one dependent variable and two independent variables were the design is as follow 1 0 3.2 4.2 1 1 4.1 3.9 1 1 2.3 3.7 1 0 6.4 4.0 1 1 5.6 4.4 . . . EV =group of patients; EV2=gender; EV3= FA; EV4=PET signal Many thanks for any suggestion John