Researchers in psychology, education and other social sciences often emphasize "latent traits", which cannot be read directly off a numerical scale. For this case, there is a lack of tangible and ...

In response to the challenges posed by the high computational complexity and suboptimal classification performance of traditional random forest algorithms when dealing with high-dimensional and noisy ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Identifying causal relationships from observational data is not easy. Still, ...