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Do shorter stated survey length and inclusion of a QR code in an invitation letter lead to better response rates? | Survey Methods: Insights from the Field (SMIF)
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Amazon.com: Survey Questions: Handcrafting the Standardized Questionnaire (Quantitative Applications in the Social Sciences): 8580000789430: Converse, Jean M., Presser, Stanley: Books
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Info about Survey Research - Survey Research - Research and Course Guides at University of St. Thomas
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