Supposedly "Number of Children" is most correlated with: I talk to a lot of different people at parties., I feel comfortable around people., I start conversations., I am not interested in other peoples' problems. (Reversed), I sympathise with others' feelings., I am quiet around strangers. (Reversed), I take time out for others., I am not really interested in others. (Reversed), I don't talk a lot. (Reversed), I keep in the background. (Reversed).