Answer:
Biopsychosocial approach
Step-by-step explanation:
The answer is "Biopsychosocial approach".
The biopsychosocial approach is a model which shows how different factors of psychology, biology and socio-environmental factors influence and affects the development or growth of any individual.
An individual grows or thrives at later adulthood is depended on their interactions among their personal relationships and their inborn temperaments.
Thus the professor's viewpoint is true and is known as "Biopsychosocial approach".