A woman was treated by Glover (2011) for kleptomania. She had a 14-year history of daily compulsive shoplifting and was treated with covert sensitisation. At a 19-month follow-up she was free of stealing behaviour apart from one lapse, and there were corresponding improvements in her self-esteem and socialisation.
- (a)Explain what is meant by 'covert sensitisation'.[2]
- (b)Outline how the aversive stimulus was used in the study by Glover (2011) to treat the woman's kleptomania.[4]
- (c)Give two differences between covert sensitisation and imaginal desensitisation.[4]
- (d)Discuss the advantages and disadvantages of using covert sensitisation to treat impulse control disorders. You should include a conclusion in your answer.[5]
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2021). The mark or mark type is shown in brackets.
- [1] 1 mark for partial answer, 2 marks for elaboration/example. Example can be anything appropriate.
- [2] if above definition is given award 2 marks.
- Covert sensitisation is a form of behaviour therapy in which an undesirable behaviour is paired with an unpleasant image in order to eliminate that behaviour.
- Desensitisation is opposite, so 0 marks.
- [1-2] 1-2 marks basic answer
- [3-4] 3-4 marks detail/elaboration.
- It was decided to use imagery of nausea and vomiting paired with the act of stealing.
- Episodes of imagery were used involving increasing nausea as she approached an article in a supermarket which she intended to steal, leading to vomiting as she lifted the article, with other shoppers' attention being attracted to her.
- The vomiting and other unpleasant sensations ceased as soon as she replaced the article, turned away and left the shop
- [1] 1 mark for description, 2 marks for direct difference (e.g. X is and Y is) x2
- CS: client imagines engaging in the event (e.g. stealing) and experiencing negative consequences (such as vomiting).
- ID: uses progressive muscle relaxation with imagery of successfully avoiding event (e.g. stealing)
- CS: person creates an imagined unpleasant association between addictive behaviour and unpleasant stimulus.
- ID: relaxation based. Imaginal desensitisation significantly decreased the heightened state of arousal and anxiety typically associated with gambling urges
- [1] 1 mark for each for/against argument (however detailed) up to 4 max.
- [1] 1 mark for conclusion.
- Note: If three (or more) arguments for one side, best two credited. If one side only, max 2 marks.
- Techniques can be applied by anyone, in any place at any time.
- Behavioural techniques focus on alleviating the symptoms of ICD rather than the cause
- Behavioural techniques are more likely to be generalised because all people can learn and ‘unlearn' following the same principles
- No medication is taken; the patient cannot become addicted to medication.
- The therapist will guide the patient through the treatment.
- Behavioural techniques take time and effort from the person (unlike swallowing a pill)
- The techniques do not cure the ICD, merely make it easier to live with
- Behavioural techniques ignore the role of biochemicals
- A therapist is needed which is more costly than taking a drug.
- Sensitisation involves imagining something unpleasant in association with the event, so is 'negative' rather than imaginal desensitisation which is more 'positive'
- Conclusion: any appropriate conclusion drawn from the discussion that has been presented. 1 mark if appropriate. A conclusion is a 'decision reached by reasoning' and so a summary of points already made scores 0 marks.
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