A multicomponent model of the theory of planned behaviour

Abstract

The purpose of this study was to investigate the measurement and predictive structure of multiple components of attitude (affective and instrumental), subjective norm (injunctive and descriptive) and an alternative measure of perceived behavioural control (PBC; skills/ability, opportunity, and resources) in the exercise domain. An additional purpose of the study was to compare the validity of the alternative PBC measure to a standard PBC measure for predicting exercise intention and behaviour. Participants were 220 undergraduates who completed measures of the theory of planned behaviour (TPB) and a 2-week follow-up of exercise behaviour. Results supported the discriminant validity in the measurement domains of all TPB components. Predictive validity of exercise behaviour for these components, however, was only evident for attitude and PBC components. Our alternative PBC measure was found commensurate with the standard PBC measure. Finally, intention significantly (p < .05) predicted exercise behaviour (R2 = .42), while affective attitude, and perceived opportunity significantly (p < .05) predicted intention (R2 = .47).

Comparing theories to explain exercise behaviour: a socio-cognitive approach

“…Past exercise studies have thus far demonstrated the predictive role of subjective norms to be weak or insignificant (Brickell, Chatzisarantis and Pretty 2006;Rhodes, Blanchard and Matheson 2006). As such, some exercise researchers divert their attention to other social construct such as social provision and family support (Saunders, Motl, Dowda, Dishman and Pate 2004).…”

An Evolutionary Psychology Perspective on Physical Exercise Motives: Implications for Social Marketing

“…Previous research has used protection motivation theory, the theory of reasoned action, and the theory of planned behavior (Milne, Orbell, & Sheeran, 2002;Blue, 1995, Godin, 1993Jackson, Smith, & Conner, 2003;Rhodes, Blanchard, & Hunt Matheson, 2006;Hagger, Chatzisarantis, & Biddle, 2002;Housenblas, Carron, & Mack, 1997;Courneya, 1995) to explain intention to exercise. This stream of research shows that attitudes, subjective norm, and perceived behavioral control impact intention to exercise (Blue, 1995;Godin, 1993;Conner & Norman, 2005).…”

“…To design such programs that explain and promote psychological and behavioral changes, social marketers have used commercial techniques such as the '4 Ps' (Wood, 2008), but also more integrative theoretical frameworks including social cognitive theory (Bandura, 2001), the theory of reasoned action (Ajzen & Fishbein, 1980), the theory of planned behavior (Ajzen, 1991;Rhodes, Blanchard, & Hunt Matheson, 2006) and selfdetermination theory (Deci & Ryan, 1985;2001;2008). Although social marketing has achieved wide recognition for adopting such approaches to understanding social and health behaviors, as well as for promoting social change (Andreasen, 2003), limited attention has been dedicated to alternative perspectives that explain social and health behaviors within the extant literature.…”

Exercise as a Healthy Lifestyle Choice: A Review and Avenues for Future Research

“…The TPB model has also been widely applied to health-related behaviour such as food purchase behaviour, dietary supplement consumption and healthy eating behaviour. Specifically, the TPB models have proven useful in explaining and predicting exercise behaviour (e.g., Courneya, Bobick and Schinke 1999;Norman, Conner and Bell 2000;Rhodes, Blanchard and Matheson 2006). In all these studies, the researchers have introduced a modified version of the TPB model in their study and the results were different from those of the original TPB model.…”

“…Within the TPB framework, Ajzen (1991) argues that the PBC construct is synonymous with self-efficacy. However, several researchers (e.g., Hagger and Chatzisarantis 2005;Rhodes, Blanchard and Matheson 2006) modelled the PBC construct as two separate components (i.e., perceived control and self-efficacy) and have provided evidence for a distinction between self-efficacy and perceived control. According to Biddle and Nigg (2000, p. 297), the "SET has been one of the more successful theories in the exercise behaviour field even though there are several different conceptualisation of efficacy measurement."…”