Which statement is TRUE regarding the models of abnormality?

A) None of the models is complete in itself.
B) All of the models include an element of the biological model.
C) The underlying assumptions of each model are the same.
D) Each model views childhood trauma as a factor contributing to abnormal behavior.

Each model of abnormality (biological, psychodynamic, cognitive-behavioral, humanistic, and sociocultural) offers a unique perspective on the causes and treatments of psychological disorders. No single model provides a complete explanation for all aspects of abnormality, reflecting the complexity of human behavior and mental health.