... society. Secondary data has both advantages and disadvantages, from issues such as practical and ethical for example, Laslett used secondary data, in the form of Parish records to study family structure. Secondary data can save time and money and they provide access to historical data that cannot be produced using primary research because the event took place before the current members of society were born. Probably the main advantage of using secondary data is that the data has already been collected thus saving time and money on behalf of the researcher. This time can instead be used on making the data more valid, possibly by using secondary data as a block to which to base further research on. Secondary data can also be useful as evidence to results found, a researcher can compare previous research to research found today, and can make before and after comparisons. Historical secondary data ...

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