Sibling Rivalry

Any suggestions on dealing with sibling rivalry with a 5 year old? She's not bad except she ignores us when we ask her to do something or not to do something. Sending her to the corner, spanking and taking things away all don't work. I don't know what else to do.

About Jerika Pike
Current: Maple Falls, Washington
Birth: August 16
On since: Nov 20, 2013
I am a stay at home mom who one day hopes to open my own restaurant.