Abstract
Recent behavioral research has suggested that delayed incentives are discounted in a highly concave curve, which should produce temporary preference for the poorer of two alternatives when that alternative is available earlier than the better one. Unlike the psychoanalytic model of impulsiveness, the temporary preference model implies a rational need for people to forestall impulses by committing their choices in advance. A questionnaire elicited college students'' and prisoners'' self-reports of approval of four basic kinds of precommitting tactics as applied to 14 commonplace temptations. Endorsement of private rules as a precommitting device was corelated with self-reported compulsive personality traits and negatively correlated with endorsement of extrapsychic (social or physical) devices; the latter endorsement was correlated with self-reported oral/paranoid traits. Female subjects endorsed attention control as a precommitting device more than males, and male subjects endorsed extrapsychic devices more than females. The ego psychology of conflict may be practical at the conscious level.

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