This is a graduate-level course on multilevel modeling, a popular statistical approach in social, behavioral, and health sciences research. Multilevel modeling, also known as hierarchical linear ...

The Observer has compiled a list of 2025 guides, tutorials, and manuals designed to support psychological scientists as they ...

Research on faculty productivity fails to account for the hierarchical nature of the data. Faculty members within an academic discipline more closely resemble one another than faculty in other ...