While waiting for dessert, Housam imagines that the Jell-O looks like wobbly chunks of glass. By contrast, Ruby views the Jell-O as, well, Jell-O. Between the two of them, ________________ is less likely to get into trouble by eating the Jell-O before being told that it is okay to do so. This is because delay of gratifi cation can be enhanced by thinking about the desired reward in ab_______________ rather than c_________________ terms.