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Research and methodology: GWI USA

Updated this week

Download our GWI USA research and methodology document to find out more about how we collect our data.

GWI USA - Research and methodology
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This document covers:

  • Key numbers and figures for GWI USA

  • How we recruit our respondents

  • Sample structure

  • How we ask about race and ethnicity

  • How we calculate universe sizes

  • How we set quotas and weight responses

  • Questionnaire content

  • Data checks
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