York University
Classics in the History of Psychology: Intergroup Conflict and Cooperation
This is the Robbers Cave Experiment. This experiment focused on intergroup relations, mostly negative attitudes toward the out group.
Other
2012 Book Archive: Psychological Disorder: What Makes a Behavior "Abnormal"?
The first section of Chapter 12 of a textbook called Beginning Psychology. Discusses at length psychological disorders, the challenges in defining abnormal behavior, the use of the Diagnostic and Statistical Manual of Mental Disorders...
Other
32 Keys: A Collection of Ideas About Life: Attitude
This site provides a collection of quotes about attitude and positive thinking.
Khan Academy
Khan Academy: Challenging Beliefs to Prevent Eating Disorders
This study resource from Khan Academy provides assessment practice for the MCAT's social sciences passages section. This practice resource includes the article "Challenging Beliefs to Prevent Eating Disorders" with practice questions....
National Institutes of Health
National Center for Biotechnology Information: Stigma in Psychiatry
Addresses the issue of stigmatization of mental health disorders, its roots, attitudes of public and professionals, the impact of stigma, and efforts to combat stigmatization.