Thanks for your help Gang!
I have moved over to 3dLME, but it says the model is incorrect?
3dLME -prefix 3dLME_BlockxValence+Accuracy \
-model "Block*Valence+Accuracy" \
-qVars "Accuracy,Age,CB,State,PosRate,NegRate" \
-qVarCenters '87.29,21.73,1.50,34.14,6.59,2.50' \
-SS_type 3 \
-dataTable \
Subj Block Valence Accuracy Age CB State PosRate NegRate InputFile \
3086 Baseline Positive 85.7 18.47 1 47 5 3 ${rd}/data/brain/orig/3086/3086_glm_bucket+tlrc.BRIK[2] \
3086 Baseline Negative 76.3 18.47 1 47 5 3 ${rd}/data/brain/orig/3086/3086_glm_bucket+tlrc.BRIK[10] \
3086 Conditioning Positive 86.5 18.47 1 47 5 3 ${rd}/data/brain/orig/3086/3086_glm_bucket+tlrc.BRIK[18] \
3086 Conditioning Negative 89.7 18.47 1 47 5 3 ${rd}/data/brain/orig/3086/3086_glm_bucket+tlrc.BRIK[26] \
3086 Post Positive 92.5 18.47 1 47 5 3 ${rd}/data/brain/orig/3086/3086_glm_bucket+tlrc.BRIK[42] \
3086 Post Negative 100 18.47 1 47 5 3 ${rd}/data/brain/orig/3086/3086_glm_bucket+tlrc.BRIK[50] \
3097 Baseline Positive 94.7 29.65 1 28 7 4 ${rd}/data/brain/orig/3097/3097_glm_bucket+tlrc.BRIK[2] \
3097 Baseline Negative 100 29.65 1 28 7 4 ${rd}/data/brain/orig/3097/3097_glm_bucket+tlrc.BRIK[10] \
3097 Conditioning Positive 97.4 29.65 1 28 7 4 ${rd}/data/brain/orig/3097/3097_glm_bucket+tlrc.BRIK[18] \
3097 Conditioning Negative 94.7 29.65 1 28 7 4 ${rd}/data/brain/orig/3097/3097_glm_bucket+tlrc.BRIK[26] \
3097 Post Positive 87.5 29.65 1 28 7 4 ${rd}/data/brain/orig/3097/3097_glm_bucket+tlrc.BRIK[42] \
3097 Post Negative 77.5 29.65 1 28 7 4 ${rd}/data/brain/orig/3097/3097_glm_bucket+tlrc.BRIK[50] \
3155 Baseline Positive 89.2 18.65 1 31 7 3 ${rd}/data/brain/orig/3155/3155_glm_bucket+tlrc.BRIK[2] \
