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Does habit weaken the relationship between intention and behaviour? Revisiting the habit-intention interaction hypothesis

journal contribution
posted on 15.02.2021, 05:23 by Benjamin Gardner, Phillippa Lally, Amanda Rebar
Habitual behaviours are elicited when a familiar context activates cue-behaviour associations that have been learned through previous performance. A core hypothesis within habit theory is that, by virtue of its automaticity, habit weakens the impact of intention on action, such that in facilitating conditions, action will be guided more by habit than momentary intentions. This has led to recommendations that habit formation be harnessed as a mechanism for sustaining desirable behaviour over time, when people would otherwise relapse due to loss of motivation. This article reviews theory and evidence around the hypothesized interaction between habit and intention as determinants of behaviour. We first qualify the hypothesis by clarifying that it pertains only to determinants of the instigation of action, rather than execution. Next, drawing on a systematic review of 52 behaviour-prediction studies, we highlight mixed empirical support for the interaction. We argue that ostensibly inconsistent findings can be reconciled by recognizing the distinction between the direction and strength of intention, and identifying the “facilitating conditions” that may determine the relative influence of habit and intention on behaviour. Evidence demonstrates that when self-control is diminished, people act habitually regardless of intention direction or strength. When people possess self-control, habits can help people to act on favourable but weakened intentions, but intentions that oppose habitual tendencies can override habitual influence. This has important implications for behaviour change: even if habit has formed, a minimal level of favourable conscious motivation may be required to sustain behaviours over time. Social psychology might fruitfully move beyond asking whether habit moderates the intention-behaviour relationship, and instead probe how and in which conditions habits and intentions interact.

History

Volume

14

Issue

8

Start Page

1

End Page

24

Number of Pages

24

eISSN

1751-9004

ISSN

1751-9004

Publisher

Wiley

Additional Rights

CC BY

Language

en

Peer Reviewed

Yes

Open Access

Yes

Acceptance Date

17/05/2020

External Author Affiliations

King's College London; University College London

Author Research Institute

Appleton Institute

Era Eligible

Yes

Journal

Social and Personality Psychology Compass

Article Number

e12553

Licence

Exports