The more we add questions to the questionnaire, the more we get information. Maybe that’s rights, but what about the quality of data.
The fewer questions we include in the questionnaire, the higher quality of data we receive because respondents will have more time to answer each question. Researches show that “the more questions you ask, the less time your respondents spend, on average, answering each question”.
So, the quantity of questions affects the quality of data, the fewer questions you include, the higher quality of data we receive. However, the quantity of questions is not the only factor, there are so many factors affecting the quality of data, we will introduce them in the next articles, talking about the human-centered questionnaire model.
This article is authored by Human-Centered Data LLC
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