2003
DOI: 10.1111/j.1559-1816.2003.tb01968.x
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Applying an Extended Version of the Theory of Planned Behavior to Illicit Drug Use Among Students1

Abstract: This study employed the theory of planned behavior (TPB) to investigate the factors underlying intentions to use and use of LSD, amphetamine, cannabis, and ecstasy over 6 months in a sample of students (N = 461). The TPB provided good predictions of both intentions (mean R* = .49) and behavior (mean R2 = .45). Descriptive norms explained additional variance in intentions for all the drugs, and moral norms explained additional variance in cannabis intentions. Attitude variability moderated the impact of attitud… Show more

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Cited by 119 publications
(98 citation statements)
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“…By integrating interactive perspectives (Amabile, 1996) and attitude theories (McMillan and Conner, 2003;Umeh and Patel, 2004), this study finds a negative moderating effect of social norms on the association between the openness to experience trait and CLA. This means that the manifestation of the trait in consumers' social lives is complex and lies in complying with the expectations of others (Olsen and Grunert, 2010).…”
Section: Theoretical Implicationsmentioning
confidence: 99%
See 1 more Smart Citation
“…By integrating interactive perspectives (Amabile, 1996) and attitude theories (McMillan and Conner, 2003;Umeh and Patel, 2004), this study finds a negative moderating effect of social norms on the association between the openness to experience trait and CLA. This means that the manifestation of the trait in consumers' social lives is complex and lies in complying with the expectations of others (Olsen and Grunert, 2010).…”
Section: Theoretical Implicationsmentioning
confidence: 99%
“…A personal trait may lead to a behavior corresponding to the trait only to the extent that significant others approve, but that trait has little or no impact on a behavior if there is a hostile social context (McMillan and Conner, 2003;Umeh and Patel, 2004). Previous studies have also indicated that social norms can be a critical source of the choice of luxury attributes (Escalas and Bettman, 2005;Wong and Ahuvia, 1998).…”
Section: The Moderating Effect Of Social Normsmentioning
confidence: 99%
“…In addition to exploring the key predictors of behaviour change included in the studies on exercise behaviour (attitudes, intentions and perceptions of behavioural control), the decision was made to include the following outcome variables: subjective norms, descriptive norms, moral norms, anticipated regret and identity, as previous literature has supported that they play an important role in influencing alcohol consumption (e.g., Conner, Warren, Close & Sparks, 1999;Cooke, Sniehotta & Schuz, 2007;Mcmillan & Conner, 2003).…”
Section: Choice Of Dependent Measuresmentioning
confidence: 99%
“…He found that TPB was an effective theoretical framework in predicting intention to commit unethical behaviour. This finding was further upheld by more recent studies (Buchan, 2005;Carpenter & Reimers, 2005;McMillan & Conner, 2003), where TPB was shown to be an effective theoretical framework for predicting intentions of ethical behaviour.…”
Section: Relationship Between Theory Of Planned Behaviour and Academimentioning
confidence: 38%