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Towards academic reading

Political scientists researched the effects of democracy on a small country. These researchers discovered that people in small villages found the change to a democratic system very difficult in comparison to people in who live in cities.

How could these researchers expand their study in order to claim that their findings are true also in other countries?

Which answers below best complete this sentence? Choose the ONE correct answer.

 

The researchers could expand the scope of their research by...

studying attitudes in villages and cities in other small countries which have also become democratic societies.

increasing the size of the sample in the country where they did their first study.