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Response burden and questionnaire length: is shorter better? A review and meta-analysis.
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Abstract
Response burden is often defined as the effort required by the patient to answer a questionnaire. A factor that has been proposed to affect the response burden is questionnaire length, and this burden is manifested in, for example, response rate. Even though response burden is frequently mentioned as a reason for abridging questionnaires, evidence to support the notion that shorter instruments are preferable is limited.