Dr. William Revelle

Department of Psychology
Northwestern University
Expertise and Interest Areas: 
Correlation Analysis
Factor Analysis
Individual Differences
Intelligence
Personality
Reliability
Research Design
Scale Development
Test Theory
Website: 
http://personality-project.org/revelle.html

See http://personality-project.org/revelle.html for my current bio, http://personality-project.org/r/book/ for my draft of a book on psychometric theory with applications in R, and http://personality-project.org/r/psych/  for an introduction to the psych package in R.