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.

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.

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

Gallup Poll methodology and the priority of long-term trends.

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

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

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.

Analyzing responses to open-ended questions can be labor-intensive, but natural language-processing techniques offer new solutions.

Are traditional survey scales outdated? Should researchers switch to emojis or stars? Gallup conducted a survey experiment to find out.

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.

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

Learn how Gallup plans to keep polling the world during the coronavirus pandemic.

The United Nations has a new official method for classifying urban and rural areas around the world: the Degree of Urbanisation.

Until recently, researchers have struggled with what should be a simple question: How many Americans are lesbian, gay, bisexual or transgender?

Gallup and Lloyd's Register Foundation, a charitable organization, are launching the first-ever global study of the public understanding of risk.

Gallup and the European Commission have developed a new Degree of Urbanisation variable that can be used to explore the effects of urbanicity.

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

Gallup's Wellbeing Inequality Ratio may offer more information about inequality within a country than income alone. Find out how it is calculated.

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