At the start of discussion students should:

establish agreement before disagreeing.

Explanation:

Agree to disagree is one of the rules in the discussion.

Listen to what the discussion is going to be about and take notes before making a biased decision with out knowing each point.

Explanation:

If you jump into a discussion with out listening to the basics then you are already predisposition to pass judgment. That in turn can cause you to miss out on some potentialy very important things. Context clues go along way if you have experience with trial and error.

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