Regardless of mode or measure, most Americans have a negative view of China – and opinions have become more unfavorable in recent years.

The Pareto principle, or “80/20 rule,” holds that in many systems, a minority of cases produce the majority of outcomes.

In this post, we examine whether online opt-in or “nonprobability” surveys are consistent in the same ways as probability-based surveys.

In a recent project involving focus groups, we tested out quantitative as well as qualitative research methods.

Our Methods 101 videos aim to make survey research accessible to a non-specialist audience. Here’s a behind-the-scenes look.

Even when they live in similar areas, Democrats and Republicans differ over whether those areas are urban, suburban or rural.

Testing questions in advance can help ensure they are as clear as possible — and that they measure what researchers set out to measure.

We convened 26 focus groups in the U.S. and UK and asked participants to share their views about local, national and international issues.

Updating our question wording acknowledges changing norms around gender identity and improves data quality and accuracy.

In this analysis, we compare two different ways of asking telephone survey respondents in Europe about their ideology.

We’re excited to release a collection of Python tools that we’ve found ourselves returning to again and again.

A common challenge facing researchers is how to make complex subject matter accessible to a general audience.