Moderation of Resource Depletion in the Self-Control Strength Model: Differing Effects of Two Modes of Self-Control

The current study examined the effects of good and poor control and changes in blood glucose following self-control depletion on task persistence. Good self-control attenuated the effect of depletion on task persistence. Poor control exerted a main effect; however, there were no significant interact...

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Bibliographic Details
Published in:Personality & social psychology bulletin 2009-05, Vol.35 (5), p.572-583
Main Authors: Dvorak, Robert D., Simons, Jeffrey S.
Format: Article
Language:English
Subjects:
Achievement
Adolescent
Adult
Alcohol Drinking - physiopathology
Alcohol Drinking - psychology
Arousal - physiology
Blood
Blood Glucose - metabolism
Character
Control
Depletion
Emotions - physiology
Female
Glucose
Humans
Impulsive Behavior - physiopathology
Impulsive Behavior - psychology
Individuality
Internal-External Control
Male
Manipulation
Marijuana Abuse - physiopathology
Marijuana Abuse - psychology
Models, Psychological
Moderation
Problem Solving - physiology
Risk behavior
Risk-Taking
Self control
Selfcontrol
Volition - physiology
Young Adult
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Summary:The current study examined the effects of good and poor control and changes in blood glucose following self-control depletion on task persistence. Good self-control attenuated the effect of depletion on task persistence. Poor control exerted a main effect; however, there were no significant interactions between poor control and self-control depletion. In addition, the association between depletion and task persistence was partially mediated by decreases in blood glucose. Task persistence in the experimental, but not control, condition was correlated with several risk behaviors. These correlations provide support for the external validity of the laboratory experiment. The differential effects of good and poor control support a two-mode model of self-control. The interaction between the depletion manipulation and good self-control suggests that associations between good self-control and behavior may be due, in part, to good self-control reducing the effects of self-control demands on behavior.
ISSN:0146-1672
1552-7433
DOI:10.1177/0146167208330855