Whether you're threatening the loss of a privilege or a timeout, that is punishment, which means causing another person physical or emotional pain with the purpose of getting them to do things your way (or with the purpose of revenge). (psychologytoday.com)
No doubt the response would be that that's a «different» kind of pain, because it is the pain from something being wrong in your body, as opposed to the «pain with a purpose» of labour. (skepticalob.com)
The budget represents «pain with a purpose,» Abbott has said. (sciencemag.org)