17.2.2

Behavioural Interventions

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Aversion Therapy

Behavioural intervention combines two concepts: learning theory and the biological approach.

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Behavioural intervention

  • Behavioural intervention combines two concepts:
    • Learning theory states that addictions can be learned, so the behaviours can also be unlearned.
    • The main form being aversion therapy.
    • This is combined with drug therapies (biological approach) to stop the addictions.
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Aversion therapy

  • Aversion therapy tries to associate the addiction with unpleasant experiences.
  • This causes the person to break their addiction because it is associated with negative concepts.
    • For example, Antabuse® is used in the aversion therapy treatment for alcoholics.
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Antabuse®

  • The Antabuse® causes unpleasant symptoms when the taker also consumes alcohol.
  • It works by blocking an enzyme that breaks down alcohol.
  • This causes side effects such as nausea.
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Association/conditioning

  • The addict then pairs the nausea with the act of drinking alcohol. This works on the principle of conditioning.
  • The alcoholic, because of the unpleasant symptoms, will be less likely to continue drinking.
  • Even when the addict stops taking the Antabuse®, the association will remain.
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Meyer and Chesser (1970)

  • A study conducted by Meyer and Chesser (1970) examined the effectiveness of Antabuse® by comparing alcoholics who received the medication to a control group.
  • Their results showed that there was a significant difference in the two groups.
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Results

  • Half of the ones (50%) receiving Antabuse® remained sober for a year which was significantly more than the control group.
  • Meyer and Chesser concluded than unpleasant responses can be conditioned.

Aversion Therapy: Covert Sensitisation

Behavioural intervention combines two concepts: learning theory and the biological approach.

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Covert sensitisation

  • A second form of aversion therapy is called covert sensitisation.
  • Covert sensitisation involves associating unpleasant experiences with the act of abusing substances.
  • But the difference is that the unpleasant experiences are imagined - the person does not actually physically go through them.
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Imagination

  • For example, covert sensitisation used on an alcoholic would involve them imagining a terrible experience in specific detail while having alcohol cravings.
  • The alcoholic would associate the horrible experience with the craving, which would lessen the likelihood of further cravings.
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Kraft and Kraft (2005)

  • A study by Kraft and Kraft (2005) examined how effective covert sensitisation was.
  • They looked at small sample of six participants, each with different addictions:
    • Nail biting, chocolate, over eating, cannabis, alcohol and cigarettes.
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Kraft and Kraft (2005) results

  • Their results demonstrated that all six participants had reduced addictions.
  • This was after only two-four sessions.
  • So the technique was effective for all forms of addiction.
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Evaluation of Kraft and Kraft (2005)

  • An important disadvantage is that the sample size was small.
  • This means the results cannot be generalised to the whole population.

Disadvantages of Behavioural Intervention

Behavioural intervention combines two concepts: learning theory and the biological approach. There are three main disadvantages of behavioural interventions.

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Time

  • Aversion therapy can take a long time.
  • It also relies on the addict to be committed to continuing the therapy, which is not always possible.
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Commitment

  • Aversion therapy with drugs such as Antabuse® rely on the addict taking the drug consistently and continually.
  • Otherwise, the negative association between the side effects and alcohol may not develop.
  • The addict could also simply stop taking the drug if they wanted to drink again.
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Ethical issues

  • There are ethical issues related to the aversion stimuli.
    • For example, the horrible nausea that people must imagine during aversion therapy is not entirely ethical.
  • Doctors and psychologists may not want to purposefully cause people pain.

Jump to other topics

1Social Influence

2Memory

3Attachment

4Psychopathology

5Approaches in Psychology

6Biopsychology

7Research Methods

8Issues & Debates in Psychology (A2 only)

9Option 1: Relationships (A2 only)

10Option 1: Gender (A2 only)

11Option 1: Cognition & Development (A2 only)

12Option 2: Schizophrenia (A2 only)

13Option 2: Eating Behaviour (A2 only)

14Option 2: Stress (A2 only)

15Option 3: Aggression (A2 only)

16Option 3: Forensic Psychology (A2 only)

17Option 3: Addiction (A2 only)

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