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Advantages
- Research evidence shows importance of consistency - Moscovici found that consistency had a great effect on people. Wood did a meta-analysis and found that consistent minorities were most influential. Confirms that consistency is a big factor.
- Research shows that change to minority position involves deeper thought - Martin found people were less willing to change opinions if they had listened to a minority rather than majority. Suggests it had been processed more deeply.
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Disadvantages
- Often involves articial tasks - e.g. Moscovicis study. In real life outcomes may be a lot more important. Lacks external validity and doesn't tell us much about MI in real life situations.
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