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Psych - Health
Psychology - Health - Theory of Planned Behaviour
| Term | Definition |
|---|---|
| Who proposed the Theory of planned behaviour (TPB)? | Ajzen (1985, 1991) |
| What does the TPB explain? | how people control voluntary behaviours |
| What is the central concept of TPB? | intention, which is affected by 3 sources |
| What are the 3 sources of TPB? | 1) personal attitudes 2) subjective norms 3) perceived behaviour control (PBC) |
| What are 'personal attitudes'? | balance of the person's favourable and unfavourable attitudes towards own behaviour |
| What are 'subjective norms'? | person's beliefs about whether people who matter to them approve or disapprove of their behaviour |
| What is 'perceived behavioural control'? | how much control we perceive we have over own behaviour |
| Which research support TPB? | Hagger et al. 2011 |
| What did Hagger et al. 2011 show? | attitudes, norms and PBC influenced intentions, which then influenced actual alcohol consumption |
| What did Miller and Howell, 2005 show? | gambling behaviour of teenagers not predicted by intentions and TPB not useful for interventions |
| What did Louis et al. 2009 show? | attitudes, norms & PBC all affected by stress, so do not predict behaviour in way TPB suggests |
| What did McEachan et al. 2011 show? | intention is a good predictor of not drinking within 5 weeks but not over longer period, so TPB not applicable to real-life behaviour change |
Created by:
samfitter
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