"The average age of toilet training in America is 3 1/2," she said.

Young children learn voluntary control through the process of toilet training.

Also, a child who is doing well with toilet training may suddenly have difficulty for no obvious reason.

The major conflict issue during this stage is toilet training.

For example, there may be conflict present as a child begins toilet training.

Since then, the age for toilet training has increased dramatically.

An important part of early childhood education is toilet training.

Parents who force toilet training, he says, can cause lasting problems.

"As with any new skill, your child will master toilet training in time."

If this opportunity is missed, toilet training may take much longer.