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 ...

Longitudinal data analysis is an essential statistical approach for studying phenomena observed repeatedly over time, allowing researchers to explore both within-subject and between-subject variations ...

Vol. 8, No. 7, Abstracts: 6th Annual Conference of the International Society for Quality of Life Research (Nov., 1999), p. 611 (1 page) Quality of Life Research is an international, multidisciplinary ...