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News
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Most popularGetting it Right: Sample Quality in Personal Interviews
Whether in TV shows or commercials, we all have seen reporters who interview people in the streets.
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What’s the best Sampling Technique?
Many researchers feel uncertain about getting sampling right.
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Five Basic Principles for Writing Good Questionnaires
At Norstat, we have seen all the common mistakes in questionnaire design, regardless whether they were telephone, face-to-face or online interviews.
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