ICT4TS – Exam summary
3
Questionnaires – Advantages and Disadvantages
Advantages:
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Regularity and statistical representativeness
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The formalization of complex relationships
Disadvantages:
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The danger of statistical illusion
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The averaging of behavior
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The problems of measuring qualitative
dimensions
Questionnaires - Design suggestions
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Collect documents related to the problem under consideration
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Get suggestions from researchers that have undergo similar problems
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Examine results and methods from previous surveys
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Accurately identify the context and the target population on which it will take
place
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Questionnaires must have at least two parts:
o
Asking about personal information (grid variables)
o
Information of
the phenomenon under study
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Limited questions to avoid excessive costs and fatigue
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Foresee the possible presentation of the results before creating questions
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Guarantee anonymity
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Important to involve the interviewee through an explanation paper
Typologies of questionnaires
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Personal interview
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Fill in a return
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Postal questionnaire
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Telephone interview
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Computer assisted telephone interview (CATI)
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Web interview (CAWI = Computer aided web interview)
Typologies of questions
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