Wikimedia
Wikipedia: Psychotherapy
An article from Wikipedia on psychotherapy that explains what it is, its history, the different types and methods, and discusses the issue of assessing the efficacy of treatment.
Other
Psychology Info: What Is a Psychologist?
A comprehensive look at the definition of a psychologist and clarification of the many roles played out in that profession.
Other
Psychotherapy Guild: Professional Disciplines
This site, which is provided for by the Psychotherapy Guild, lists and describes various types of professionals who practice psychotherapy.
Khan Academy
Khan Academy: Efficacy of Cognitive Behavioral Therapy, Social Anxiety Disorder
Read a passage about the efficacy of Cognitive Behavioral Therapy on social anxiety disorder and answer the follow-up questions.
Other
Psychological Treatment Services: Group Therapy
A discussion of two general types of group therapy and the characteristics of each.
Other
Group Psychotherapy: An Introduction
Useful information regarding psychotherapy, how it works, who can benefit, expectations, and technical details of this form of therapy.
PBS
Pbs Teachers: Scientific American: Beyond Science?: Healing Touch
Use the scientific method to investigate the claims of "energy field" therapists. Design an investigation to study the claims of biomagnetic therapy.