A nurse is discussing discipline techniques with the parent of a preschooler. Which of the following statements by the parent indicates an understanding of time-out as a form of discipline?

"I place my child in time-out for 15 minutes when they misbehave."

"I send my child to their room for the time-out period."

"I initiate time-out after giving three warnings."

"I use a kitchen timer to measure the time-out period."