A nurse is assessing a toddler during a well-child visit. Which of the following parent statements indicates the correct use of time-out as a method of discipline?

I typically leave my child in time-out for 10 minutes.

I give my child one warning before she has to go in time-out.

I send my child to her room and shut the door during time-out.

I explain to my child why her actions are wrong after I put her in time-out.