Detecting performance invalidity in children: not quite as easy as A, B, C, 1, 2, 3 but automatized sequences appears promising.
Kirkwood MW, Connery AK, Kirk JW, Baker DA. Detecting performance invalidity in children: not quite as easy as A, B, C, 1, 2, 3 but automatized sequences appears promising. Child Neuropsychol. 2014 Mar; 20(2):245-52.