Taken as a whole,your text's review of the early schools of psychology best reflects which one unifying theme in psychology

A)  Behaviour is shaped by cultural heritage. 
B)  Heredity and environment jointly influence behaviour. 
C)  Psychology is theoretically diverse. 
D)  People's experience of the world is highly subjective.

Theoretically Diverse

Encompassing a wide range of theories within a field or topic, allowing for multiple viewpoints.

Early Schools

Refers to the first established theories and systems within psychology, such as structuralism, functionalism, and psychoanalysis, which provided foundational insights into the human mind and behavior.

Cultural Heritage

The legacy of physical artifacts and intangible attributes of a group or society that are inherited from past generations, maintained in the present, and bestowed for the benefit of future generations.