Social Influence Theories
- Lecture notes covering cognitive dissonance theory, social influence, social judgment, the elaboration likelihood model, and the theory of reasoned action. No onward links.
- http://oregonstate.edu/instruct/comm321/gwalker/influence.htm

Working Psychology: Introduction to Influence
- Overview of the science of persuasion, compliance, marketing, propaganda, and "brainwashing" from a psychological perspective, together with a discussion of ethics surrounding these issues.
- http://www.workingpsychology.com/

Groups
- Hypertext teaching model covering attitudes, social influence, and group dynamics.
- http://sun.science.wayne.edu/~wpoff/groups.html

Primer of Practical Persuasion and Influence
- Online coursebook by Steven Booth-Butterfield, for his course in Persuasion Theory and Research at West Virginia University.
- http://www.as.wvu.edu/~sbb/comm221/primer.htm