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					Originally Posted by Britster  For me personally, I find time-outs not to really work. But maybe it just didn't work with my dog, I'm sure it could benefit others. I feel like dogs don't really understand the concept of "time out" the way that us humans do. I remember a few times, after Jackson would have an accident or do something bad, I would put him in his x-pen for a time out but quickly realized, he really had NO idea why he was in there, even if I did it right after his wrong-doing. Also, you don't want them to think their crate/xpen/or other source of containment is a BAD thing. It may work in certain instances but not all. | 
 
  I use timeouts only only if other methods have not worked.  Social isolation is a very powerful tool.   
I never use the crate or ex-pen for a time-out, you do not want a negative association with their happy place.  You want to use a room where there are not toys or anything else for them to do.  I also don't use it for potty accidents because it would not be effective in that scenario. 
I've always found it to be a highly effective tool.  Dogs as pack animals do not want to be by themselves and would extinguish any behavior that would lead to isolation.