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Introduction to Questionnaire Design Steps Steps - Survey Research ...

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Numbering vs. Labeling<br />

• Numbers alone<br />

• Partial labeling<br />

• Full labeling<br />

<strong>Survey</strong> <strong>Research</strong> Labora<strong>to</strong>ry<br />

22<br />

Middle Category<br />

• Include or omit?<br />

• Common practice <strong>to</strong> omit<br />

• Few respondents are truly in the middle on<br />

any given issue<br />

• Evidence from empirical studies<br />

• Our usual recommendation is <strong>to</strong> include it<br />

unless there are persuasive reasons <strong>to</strong><br />

exclude<br />

<strong>Survey</strong> <strong>Research</strong> Labora<strong>to</strong>ry<br />

23<br />

Open vs. Closed Questions<br />

Open-Ended Questions<br />

• Suggest no alternatives<br />

• Probing<br />

• Extensive interviewer training<br />

• Elaborate coding schemes<br />

• Expensive and time-consuming<br />

• Free exchange of ideas without bias<br />

<strong>Survey</strong> <strong>Research</strong> Labora<strong>to</strong>ry<br />

24<br />

8

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