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Preregistration

Testing the Replicability of the Theory of Planned Behavior: A Large-Scale Multi-Sample Registered Replication Study

Author(s) / Creator(s)

Hagger, Martin S.
Hamilton, Kyra
Ajzen, Icek
Bosnjak, Michael
Schmidt, Peter

Abstract / Description

Identifying the determinants of social behavior, and the specific processes by which the determinants relate to behavior, are important in the development of theory to predict social behavior. Predicting behavior also has utility for organizations and stakeholders interested in developing effective interventions and strategies to promote behavior change. The theory of planned behavior (Ajzen, 1991) is a prominent social psychological theory developed to predict social behavior. The theory derives its assumptions from theories of attitude and social cognition (Albarracín & Johnson, 2019; Eagly & Chaiken, 1993; Fishbein, 1967), and focuses on predicting intentional behavior from sets of beliefs about future behavioral engagement. The theory has been tested in over 2000 studies, and over 30 meta-analytic syntheses. Cumulative findings indicate its efficacy in accounting for variance in behaviors across multiple domains. However, considerable unresolved heterogeneity in effects has been observed, which could be attributable to methodological artifacts or genuine variability across contexts, behaviors, and populations. In addition, some theory predictions, particularly interactions among constructs, have not been tested and replicated consistently. The current project will conduct a large-scale replication of the theory in general population and student samples adopting an identical protocol and measures. The result of the study will be a series of data sets testing theory predictions analyzed by meta-analytic structural equation modeling.

Keyword(s)

theory of planned behavior social cognition attitudes intention subjective norms perceived behavioral control replication

Persistent Identifier

PsychArchives acquisition timestamp

2019-11-26 10:28:42 UTC

Citation

Hagger, M. S., Hamilton, K., Ajzen, I., Bosnjak, M., & Schmidt, P. (2019, November). Testing the Replicability of the Theory of Planned Behavior: A Large-Scale Multi-Sample Registered Replication Study. Leibniz Institut für Psychologische Information und Dokumentation (ZPID). https://doi.org/10.23668/PSYCHARCHIVES.2652
  • 2
    2021-05-06
    Data collection was suspended during the first year of the COVID-19 pandemic, the team has now decided it is appropriate to resume. The surveys have been modified to include items on the impact of the pandemic on participants’ exercise patterns.
  • 1
    2019-11-26
  • Author(s) / Creator(s)
    Hagger, Martin S.
  • Author(s) / Creator(s)
    Hamilton, Kyra
  • Author(s) / Creator(s)
    Ajzen, Icek
  • Author(s) / Creator(s)
    Bosnjak, Michael
  • Author(s) / Creator(s)
    Schmidt, Peter
  • PsychArchives acquisition timestamp
    2019-11-26T10:28:42Z
  • Made available on
    2019-11-26T10:28:42Z
  • Date of first publication
    2019-11
  • Abstract / Description
    Identifying the determinants of social behavior, and the specific processes by which the determinants relate to behavior, are important in the development of theory to predict social behavior. Predicting behavior also has utility for organizations and stakeholders interested in developing effective interventions and strategies to promote behavior change. The theory of planned behavior (Ajzen, 1991) is a prominent social psychological theory developed to predict social behavior. The theory derives its assumptions from theories of attitude and social cognition (Albarracín & Johnson, 2019; Eagly & Chaiken, 1993; Fishbein, 1967), and focuses on predicting intentional behavior from sets of beliefs about future behavioral engagement. The theory has been tested in over 2000 studies, and over 30 meta-analytic syntheses. Cumulative findings indicate its efficacy in accounting for variance in behaviors across multiple domains. However, considerable unresolved heterogeneity in effects has been observed, which could be attributable to methodological artifacts or genuine variability across contexts, behaviors, and populations. In addition, some theory predictions, particularly interactions among constructs, have not been tested and replicated consistently. The current project will conduct a large-scale replication of the theory in general population and student samples adopting an identical protocol and measures. The result of the study will be a series of data sets testing theory predictions analyzed by meta-analytic structural equation modeling.
    en_US
  • Publication status
    other
  • Citation
    Hagger, M. S., Hamilton, K., Ajzen, I., Bosnjak, M., & Schmidt, P. (2019, November). Testing the Replicability of the Theory of Planned Behavior: A Large-Scale Multi-Sample Registered Replication Study. Leibniz Institut für Psychologische Information und Dokumentation (ZPID). https://doi.org/10.23668/PSYCHARCHIVES.2652
    en
  • Persistent Identifier
    https://hdl.handle.net/20.500.12034/2267
  • Persistent Identifier
    https://doi.org/10.23668/psycharchives.2652
  • Language of content
    eng
    en_US
  • Keyword(s)
    theory of planned behavior
    en_US
  • Keyword(s)
    social cognition
    en_US
  • Keyword(s)
    attitudes
    en_US
  • Keyword(s)
    intention
    en_US
  • Keyword(s)
    subjective norms
    en_US
  • Keyword(s)
    perceived behavioral control
    en_US
  • Keyword(s)
    replication
    en_US
  • Dewey Decimal Classification number(s)
    150
  • Title
    Testing the Replicability of the Theory of Planned Behavior: A Large-Scale Multi-Sample Registered Replication Study
    en_US
  • DRO type
    preregistration
    en_US
  • Leibniz institute name(s) / abbreviation(s)
    ZPID
  • Leibniz subject classification
    Social psychology