Episode 22
Surveys and Questionnaires
...and now for another Human Factors Minute!
Surveys and questionnaires are commonly used reserach techniques that are used across multiple disciplines including human factors.
Surveys and questionnaires have an advantage in that they can be administered to a large group of people, using e-mail for example, at relatively low cost, enabling the researcher to gather a large amount of data in a short amount of time.
The downside of these quick methods can be the validity of the data that's obtained. Validity of Survey data can be questionable, as the questions must be written and interpreted correctly by the reader, and are, by definition, subjective.
Further Those who actually respond are in effect self-selecting as well, widening the gap between the sample and the target population.
This has been another Human Factors Minute!
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