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

Question

Quizplus · Accepted Answer

According to the question, the studies from 1957 of American children reported that 92% of them were toilet trained. The question does not suggest an age range, but the commonly accepted age for toilet training in the US is between 18 and 36 months. Therefore, the best choice is D, 18 months old.

Studies from 1957 of American Children Reported That 92% Were