Time outs only work half the time for us. She starts a fit and looks at me and says 'time out?' She doesn't care.
For us, it only works if she's really and truly in need of a quiet space to calm down. But as a 'punishment', it's ineffective.
Ignoring seems to work best here.
SAHM to Magnolia May (09/10) and Luke Russett (04/13) and wife and best friend to my airman.