One of the most commonly-used measurement tools in psychology research and practice is what’s called the patient-reported, or self-reported, test. This method involves giving a patient, client, or ...

Designing effective questionnaires and surveys for market research is pivotal in gathering high-quality data that can lead to actionable insights. A well-crafted questionnaire should accomplish the ...

Confusion over symptom questionnaires is common, and likely hampers efforts to diagnose and treat physical and mental ...

Ipsos conducted the National Public Opinion Reference Survey (NPORS) for Pew Research Center using address-based sampling and a multimode protocol. The survey was fielded from May 19 to Sept. 5, 2023.

In Consumer Reports’ labs, we design tests that identify which products are the best at what they do. But to find out which ones are also the most reliable and make customers the happiest, we rely on ...