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Methodology

Explore Gallup's research.

Methodology Blog

Pre-incentives in mail and mail push-to-web surveys can significantly improve response rates and reduce overall survey costs.

Methodology Blog

Gallup evaluates several approaches to handling "careless responders" in opt-in panel data.

Methodology Blog

Gallup compared the quality of data obtained from several opt-in panel vendors to better understand whether panels differ in the quality of data they provide.

Methodology Blog

Gallup has extensively tested the use of opt-in sampling to understand its challenges and to develop strategies for improving data quality and accuracy of results.

Methodology Blog

Gallup tested different ways to ask race and ethnicity to better understand how changes to the U.S. standards for collecting race and ethnicity on federal surveys might affect data and analysis.

Methodology Blog

Researchers shed light on neurodiverse respondents' experiences participating in public opinion research, employee surveys and personality assessments.

Methodology Blog

Gallup recently tested several methods for capturing and measuring transgender identities.

Methodology Blog

To date, survey research has not adequately addressed the complexities of gender identity. Gallup is attempting to bridge this gap.

Methodology Blog

Generational changes in gender identity may fundamentally change how sex and gender are measured and how datasets are weighted to accurately reflect sex and gender. To address these changes, Gallup began testing new gender questions.

Gallup surveyed 116 countries and areas during the pandemic last year. Read about what Gallup has learned.

Methodology Blog

Gallup -- like many other researchers -- uses cognitive interviewing, as well as several other tools, to ensure the questions it is going to ask are clear and easy to answer, and measure what they are supposed to.

Methodology Blog

Gallup is committed to research that represents different backgrounds. Find out what we're doing to ensure all Black Americans' voices are heard.

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Methodology Blog

More Americans are sympathetic to the Israelis in the Middle East conflict after being asked for their views on Israel and the Palestinian Authority.

Learn how the right kind of HR data and advice can be helpful instead of cumbersome.

Methodology Blog

Gallup recently tested the value of including Quick Response Codes in survey invitations.

Learn how to avoid common employee survey mistakes that will prevent you from making the best decisions for your teams and business.

Methodology Blog

Gallup and Walk Free developed a methodology to estimate the prevalence of modern slavery using an innovative modeling approach.

Methodology Blog

Cellphone scamming and blocking technologies present a new challenge to survey researchers.