• Survey results are based on national samples. • Due to rounding, percentages may not total 100%. The topline “total” columns show 100%, because they are based on unrounded numbers. • Not all ...

Here at Pew Research Center, we are often asked about how we conduct our research. We work hard to make our methodologies transparent and understandable, but we also know that survey mode effects and ...

The Center for Statistics and Advanced Analytics provides support to Boston College researchers related to the collection and the analysis of data. Our team includes statisticians and other data ...

Applied psychologists and marketers in particular conduct research to choose one action over another. Through their research, market researchers want to answer questions such as: What price should we ...

In 2013, the Oslo Sports Trauma Research Center Overuse Injury Questionnaire (OSTRC-O) was developed to record the magnitude, symptoms and consequences of overuse injuries in sport. Shortly afterwards ...