Many home school parents seem to worry that their children are not thinking critically ENOUGH. Most of the time, the issue is not with the teaching method, but with the age of the child. You know your child is ready to tackle critical thinking issues in history when he starts to argue with you about many household duties and he starts to have very strong reasons to prove that he is right.
Teaching with the Take a Stand! series helps me get to know my children and students better and it helps them how to think critically, form historical judgement, and express themselves in speech and in writing.