Final answer:
Each psychological perspective emphasizes a different aspect of behavior and mental processes, with the field boasting a variety of major perspectives such as biological, cognitive, and clinical psychology, among others.
Step-by-step explanation:
Regarding the psychological perspectives, it is true that each of these perspectives emphasizes a different aspect of behavior and mental processes. Psychology as a field has a diversity of theoretical perspectives, among them the functional, symbolic interactionist, conflict, and feminist perspectives. The field has evolved from focusing largely on behavior to include a broader understanding of mental processes, which was significantly influenced by the cognitive revolution.
Major perspectives in psychology include biological, cognitive, developmental, personality, industrial and organizational, health, sport, exercise, forensic, and clinical psychology, each providing a unique lens through which behavior and mental processes can be understood.
For instance, biological psychologists explore the physiological underpinnings of behavior, whereas cognitive psychologists' probe into how thought relates to behavior. Therefore, not only are there more than six major psychological perspectives, but they also vary in their conceptualization of mental illness, reflecting the complexity and richness of the field.