Planning bridges the intention-behaviour gap: Age makes a difference and strategy use explains why

Tabea Reuter*, Jochen P. Ziegelmann, Amelie U. Wiedemann, Sonia Lippke, Benjamin Schuez, Leona S. Aiken

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

This study examines age-differential association patterns between intentions, planning and physical activity in young and middle-aged individuals. The effectiveness of planning to bridge the intention-behaviour gap is assumed to increase with advancing age. We explore the use of behaviour change strategies that include selection, optimisation and compensation (SOC) as underlying mechanisms for age differences.In N = 265 employees of a national railway company (aged 19-64 years), intentions, planning, SOC strategy use and physical activity were assessed at baseline (Time 1) and again 1 month later (Time 2). Hypotheses were tested in two different path models.Age moderates the extent to which planning mediates the intention-behaviour relation due to an increasing strength of the planning-behaviour link. As a possible psychological mechanism for these age differences, we identified SOC strategy use as a mediator of the age by planning interaction effect on physical activity.These findings suggest differential mechanisms in behaviour regulation in young and middle-aged individuals.
Original languageEnglish
Pages (from-to)873-887
JournalPsychology & Health
Volume25
Issue number7
DOIs
Publication statusPublished - 2010

Keywords

  • self-regulation
  • planning
  • selection
  • optimisation and compensation (SOC)
  • moderation
  • mediation
  • health behaviour change

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