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Evidence that implementation intentions reduce drivers' speeding behavior: testing a new intervention to change

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  • 1School of Psychological Sciences and Health, University of Strathclyde, UK.

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Summary

Implementation intentions significantly reduced speeding behavior in drivers. This strategy helps break unwanted habits by linking risky situations to goal-directed responses, promoting safer driving.

Keywords:
Behavior-changeGoal intentionsHabit/past behaviorImplementation intentionsSpeedingVolitional help sheet

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Area of Science:

  • Psychology
  • Behavioral Science
  • Traffic Safety

Background:

  • Unwanted habits, like speeding, can be difficult to break.
  • Implementation intentions are a psychological tool designed to help individuals align their behavior with their goals.

Purpose of the Study:

  • To investigate the effectiveness of implementation intentions in reducing drivers' speeding behavior.
  • To examine how implementation intentions influence the relationship between past behavior, goal intentions, and future speeding.

Main Methods:

  • A randomized controlled trial was conducted with two groups: an intervention group specifying implementation intentions and a control group receiving general information.
  • Self-report questionnaires measured speeding behavior, goal intentions, and motivational factors at baseline and one-month follow-up.
  • The intervention involved a volitional help sheet to link speeding temptations with goal-directed avoidance strategies.

Main Results:

  • The intervention group showed significantly less speeding at follow-up compared to the control group.
  • The positive effect was observed specifically in 'inclined abstainers'—those motivated to reduce speeding.
  • Implementation intentions weakened the link between past speeding and subsequent behavior, while strengthening the link between goal intentions and subsequent behavior.

Conclusions:

  • Implementation intentions are an effective strategy for reducing speeding behavior in drivers.
  • This method works by diminishing the influence of habitual speeding, enabling drivers to adhere to their intentions.
  • The volitional help sheet is a practical tool for promoting implementation intentions to curb speeding.