Practise identifying ethical, comprehension, stress and validity problems that may arise when children participate in psychological research.
Suggest two problems that could arise if children were used as participants in the study by Hölzel et al. (mindfulness and brain scans).
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For each problem (max 2 per problem): 1 mark for identification/outline of the problem (generic) 1 mark for linking it to Hölzel et al.
e.g.
It can be difficult for children to keep still (1 mark: identification/outline). For an MRI scan to work, the person has to remain still for a period of time (1 mark alternative: identification/outline).
Therefore, there may be no valid way of measuring brain density as the scans may never be correct/never happen (1 mark: link)
Children may not understand what is being asked of them (1 mark: identification/outline). Therefore, the children may not understand how yoga/mindfulness works (1 mark alternative: identification/outline).
As a result, the children may have seen yoga as a game and therefore effectiveness might not have been measured (1 mark: link).
There are other creditworthy responses, including children can lie about participation in homework, brain developing so grey matter could increase for different reason(s).
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Go with the intention of the candidate.