Theory of planned behaviour

Question 1

Who devised the model? (TPB addiction)

Answer 1

Ajzen

Question 2

What factors affect an individuals intention? (TPB addiction)

Answer 2

• Behavioural attitudes
• Subjective norms
• Perceived behavioural control

Question 3

How does behavioural attitudes influence addiction? (TPB addiction)

Answer 3

This is the individuals own beliefs about the behaviour, taking into account the consequence of the actions

Question 4

How does subjective norms influence addiction? (TPB addiction)

Answer 4

• Injunctive norm (would others condone this behaviour)

- Descriptive norm (is it the right thing to do)

Question 5

How does perceived behavioural control influence addiction? (TPB addiction)

Answer 5

The idea that control over your behaviour is on a scale - the stronger the control, the stronger your intentions to complete the act

Question 6

What did Penny find? (TPB addiction)

Answer 6

If individuals are failing to quit, they are more likely to believe they will be successful in the future (perceived behavioural control)