“…We saw earlier, for instance, how cognitive dissonance processes can lead people to experience a task as interesting when they exert effort for no obvious reason (Aronson, 1960;Weick, 1964). Finally, Berlyne's collative variables refer to the stimulus properties that arouse interest (Berlyne, 1960(Berlyne, , 1971Nunnally & Lemond, 1973). Something might be interesting because it is uncertain, complex, novel, or inconsistent with existing information.…”