When journalists and politicians want to find out the feelings and opinions of Swedes, they often look at survey results published by the SOM Institute. A new doctoral thesis in Theory of Science ...

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 ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. The longer a survey is, the fewer people are willing to complete it. This is ...

Anyone who has taken a survey has likely been given the option to “check all that apply” when answering a question. The instruction is widely used in data collection because of its ease and efficiency ...