Other
Psych Web: Psychology: An Introduction: Chapter 12: Defining Abnormal Behavior
Describes the different criteria that can be used to identify behavior that is abnormal. Includes comprehension questions.
Houghton Mifflin Harcourt
Houghton Mifflin Harcourt: Cliffs Notes: Perspectives on Abnormal Behavior
An overview of the different models for interpreting and treating abnormal behaviors.
Other
Between Us Counseling Helpline: Abnormal Behavior
Discusses what maladaptive, or abnormal, behavior is, the impact of stigma on people suffering from a mental health issue, and some of the causes of maladaptations.