A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Pew Research Center has a long history measuring the public’s knowledge about ...

Pew Research Center’s survey on international knowledge covers facts about global leaders, international institutions and geography, among other topics. The following criteria are used to evaluate how ...

Mokken Scale Analysis (MSA) and Item Response Theory (IRT) represent complementary psychometric frameworks that have become central to the assessment and validation of measurement instruments across ...

The Research & Evaluation Methodology (REM) program offers the opportunity to combine substantive interests in education while learning quantitative social science research methods. Our students learn ...

The sampling Moiré method is a non-contact optical technique that has gained prominence for its ability to precisely measure strain and deformation in various materials and structures. This method ...

University of Illinois Physics Professor Paul Kwiat and members of his research group have developed a new tool for precision measurement at the nanometer scale in scenarios where background noise and ...

A conceptual model in business is a plan, blueprint or strategy based on an idea. For example, a car company might create a conceptual model of a new car based on several or a single concept in design ...