Einhorn and Hogarth provide a general framework for their discussion of the illusion of validity. Here is a description of that framework, applied to the contrarian hypothesis for the Bullish Sentiment Index. Assume four types of situations. (1) periods when the Bullish Sentiment Index was high, (2) periods when the Bullish Sentiment Index was low, (3) periods when the market rose , and (4) periods when the market fell. Match these situations according to the arrangement in table 6-1