attention to those people. do they get up and keep going? are they laughing? are they crying? are they being rushed to the hospital? from this, i can decide that roller skating, though it has some risk, is a relatively safe activity. what about an activity i know to be unsafe: drinking and driving. i can go through each of these six points and see how i fair to make a choice about whether i am able to drive or not. i can observe (things look blurry), i can describe (i am seeing double, i can't find my car...) i can participate (i will hopefully determine from the first two 