Primary and Secondary Data

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Primary Data

Data collected first hand

Brand new

Allows for a high level of control

Gives the experimenter familiarity

Advantage = Researcher can collect exactly what they need

Disadvantage = Costly and time consuming

Experiments

Questionairres

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Secondary Data

Already existing data

Collected by others

"Springboard for own research"

Correlation studies use secondary data

Advantage is that it's cheaper and saves time

Disadvantage is that not all data may be relevant

Statistics

Diaries

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"Distinguish between primary and secondary data" (3 marks)

Primary data is information collected first hand by the researcher. Primary data is brand new and may be collected through experiments or though a questionnaire. Secondary data is pre-existing data that has been collected by others, an example of available secondary data is government statistics.

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