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| From this page, you can jump to each of the four major methods. The method’s
page describes in greater detail its purpose, advantages, and disadvantages, and provides
examples.
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Case study |
An in-depth investigation into
one participant (e.g., one person or one family). |
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Questionnaire |
A set of questions used to gather information
on people's thoughts or behaviors.
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Correlation |
A technique to measure the degree of
association between two variables.
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Experiment |
The method that allows us to determine cause
and effect. |
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