k13_k23_sum
K13 K23 SumField Label
Criterion a.1 or criterion a.2 is coded "3"
Choices / Calculations / Slider Labels
if([k23]="N/A", "N/A", if([k13] = "3 = Threshold or True", 1, 0)+if([k23]="3 = Threshold or True", 1, 0))