Role play actors demonstrate negative reinforcement: escape from a non preferred task
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Negative Social Reinforcement: Escape from Demands
Sometimes people with intellectual disabilities will engage in challenging behaviour when they are asked to do something that they do not want to do.
The task that the person does not want to do could be a structured task at school (such as matching) or in more informal tasks such as getting dressed or washed at home. Behaviours that occur for this reason are often called demand escape behaviours. An example of this can be observed in the short film in at the top of this page (role play actors).
Another example of demand escape behaviour in action
As part of a research study at the University of Birmingham we observed a young man with intellectual disability who showed self-injury at his day centre. When tasks were presented during the day or he was required to change activities this often led to a burst of self-injury and then the demand was removed. This is the chain of events that tends to occur when self-injury is rewarded by escape from demands. Although the example is of a young man with Cornelia de Lange syndrome, it is still a useful example to demonstrate demand escape behaviours.
Click here to see more information about this research case study.
The clip below shows an example of challenging behaviour occurring in response to task demands. As with all clips on this website, permission to display this clip was given by Caroline's parents.
In this clip you will see Caroline pulling Gemma's hair to escape from the task. The clip suggests that Caroline has learnt to engage in this behaviour because it may result in the task being terminated, in the same way that it is here. Once the task is terminated, Caroline makes her feelings about the task known by moving away from Gemma.
A final note about demand escape behaviours
It may be the case that it is not necessarily just unpleasant task demands that are removed after challenging behaviour. It is possible that for children who do not like social contact that challenging behaviour can be reinforced simply by the removal of social contact that does not have any demands associated with it.