A study from 1957 of American children reported that 92% were toilet trained by the time they were ____.

Question

Quizplus · Accepted Answer

It is physiologically impossible for children to be toilet trained at 3 or 6 months old as they have not developed enough control over their bladder and bowel movements. Most children are able to begin toilet training between 18-24 months, but the study reports that 92% were already toilet trained by 18 months old, making D the best option.

A Study from 1957 of American Children Reported That 92