2022-2024 Year 13 A-Level Psychology - Addiction: Theories of Behaviour Change: Theory of Planned Behaviour DP
The Theory of Planned Behaviour explains how a person’s intention to change addictive behaviour is influenced by three key factors: their attitude towards the behaviour, perceived social pressure (subjective norms), and perceived behavioural control. These beliefs interact to shape motivation and likelihood of change.
The theory of planned behaviour describes how a set of 3 interacting beliefs can influence a person’s…
intention to change
Key Terms
The theory of planned behaviour describes how a set of 3 interacting beliefs can influence a person’s…
intention to change
According to the theory of planned behaviour, a person’s intention to change can be influenced by…
Attitudes, subjective norms, perceived behavioural control
What 3 interacting beliefs can influence a person’s intention to change?
Attitudes, subjective norms, perceived behavioural control
What do attitudes, subjective norms and control influence?
A person’s intention to change (and therefore whether the therapy will be effective or not)
If an individual has more negative attitudes towards their addiction than positive, how does this affect their intention to change?
They are less likely to intend to do the addictive behaviour and more likely to change their addictive behaviour
If an individual has more positive attitudes towards their addiction than negative, how does this affect their intention to change?
They are more likely to intend to do the addictive behaviour and less likely to change their addictive behaviour
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| Term | Definition |
|---|---|
The theory of planned behaviour describes how a set of 3 interacting beliefs can influence a person’s… | intention to change |
According to the theory of planned behaviour, a person’s intention to change can be influenced by… | Attitudes, subjective norms, perceived behavioural control |
What 3 interacting beliefs can influence a person’s intention to change? | Attitudes, subjective norms, perceived behavioural control |
What do attitudes, subjective norms and control influence? | A person’s intention to change (and therefore whether the therapy will be effective or not) |
If an individual has more negative attitudes towards their addiction than positive, how does this affect their intention to change? | They are less likely to intend to do the addictive behaviour and more likely to change their addictive behaviour |
If an individual has more positive attitudes towards their addiction than negative, how does this affect their intention to change? | They are more likely to intend to do the addictive behaviour and less likely to change their addictive behaviour |
‘Smoking reduces my stress’ is an example of what type of attitude? | Positive |
'Smoking is not good for my health’ is an example of what type of attitude? | Negative |
Which part of the TPB refers to addicts taking into account what other people think about their addictive behaviour? | Subjective norms |
In relation to subjective norms, what do addicts take into account? | Whether those they care about will approve or disapprove of their addictive behaviour |
If addicts think their friends/family will disapprove of their addictive behaviour, how does this affect their intention to change? | They are less likely to intend to do the addictive behaviour and more likely to change their addictive behaviour |
In relation to subjective norms, when might an addict be less likely to intend to do the addictive behaviour and more likely to change their addictive behaviour? | If they think their friends/family will disapprove of their addictive behaviour |
Addicts take into account how much control they believe they have over their own behaviour. This is called | self-efficacy |
Self-efficacy is present in which part of the TPB? | Control |
According to the TPB, self-efficacy is when addicts take into account how much __________ they believe they have over their own behaviour | control |
An addict’s control may be affected by which two types of factor? | External or internal |
What is an example of an external factor that could affect an addict’s control? | Money / support / time |
What is an example of an internal factor that could affect an addict’s control? | Determination / resilience |
What can a person’s level of control be based on? | Internal factors, external factors or past experience |
Internal factors, external factors and past experience can affect a person’s… | level of control |
What is an example of past experience that could affect a person’s level of control? | If they have successfully given up their addictive behaviour |
What is the most important part of the TPB model and why? | Control - without the control, a person is still vulnerable to addiction |
Why is control the most important part of the TPB model? | Without the control, a person is still vulnerable to addiction |
The more control an individual has… | the harder and longer they will spend trying to stop their addiction |
How does control affect a person's intention to change? | The more control they have, the harder and longer they will spend trying to stop their addiction |
All 3 interacting components need to be present to influence a person's intentions to stop their addiction True or false? | True |
If one component of the TPB model is missing, they will not have an intention to stop so therapy will not be offered True or false? | True |
Therapy can be offered to individuals if they are missing one component of the TPB model True or false? | False - if one is missing, they will not have an intention to stop |
Give one strategy that we can use to change an individual's attitudes towards their addictive behaviour | Adverts / Leaflets / Presenting them with the negative consequences of engaging in their addictive behaviour |
Give one way we can prevent addiction | Changing attitudes from positive to negative |
Give one strategy that we can use to change an individual's subjective norms towards their addictive behaviour | Interventions / campaigns / making clear to the individual their behaviour is unacceptable |
Give one strategy that we can use to change an individual's perceived behavioural control | Diary of resilience / support groups |
Which study provides support for the TPB? | Haggar et al. (2011) |
How does Hagger et al. (2011) support the TPB? | The three components interacted to affect an individual's intention to stop drinking |
What did Hagger et al. (2011) find? | Personal attitudes, subjective norms and perceived control correlated with the intention to limit drinking |
What is a problem with much of the research into TPB? | Relies on questionnaires which are prone to social desirability |
What might an individual lie about on questionnaires in research into TPB? | Their intentions towards their addiction |
How does the TPB have practical applications? | Can be used to predict who therapy is most likely to be successful for |
What is the benefit for the NHS of using TPB in real life? | Helps them to prioritise their limited resources on individuals with high intention to change, reducing waiting times for therapy |
TPB assumes addiction is the result of what type of decision? | Rational |
What type of decision might addictive behaviour be more influenced by? | Irrational |
What type of decision does TPB not account for? | Irrational |