My 5 and a half year old daughter is behaving very badly at the moment - she's very rude, flies off the handle at the slightest thing and has many tantrums. She seems very angry and is rude to her parents and siblings. We are at a loss as to how to improve her behaviour. At the moment she's on a weeks TV ban. She had a school friend round for tea today and and spent about three quarters of an hour scremaing as her picture kept going wrong. We've had no reports of bad behaviour from school. Any ideas?