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6 SURVEY (FEATURES (ask is the way to get answers, sampling and…
6 SURVEY
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SURVEY METHOD
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Intercept (mall, street, campus)
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SCALES
Interval
0 does not mean nothing, you cannot create ratio between numbers
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INTERVIEWER
:check: quality and progress control
reduce respondent workload (talking is easier than writing)
allows feedback about the questionnari
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COMPUTER
:check: quality control (use restrictions)
flexible (colors, images, video, sound)
Reduce data entry cost
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