Contrary to the lay theory that predicts duration knowledge of affective episodes to ameliorate negative experiences and weaken positive ones, we demonstrate that duration knowledge increases the extremity of affective experience. In experiments 1 and 2, participants either know the exact...

How much time do consumers predict they will spend on using a product or service when they have control over the usage time? We propose that their predicted consumption time is systematically influenced by the valence and the representation of the target event. In three studies, we show that...