Answer:
a. sociocultural
Explanation:
Sociocultural perspective: The term sociocultural perspective came into existence with the work of the psychologist Lev Vygotsky, and is defined as an approach to understanding human nature and behaviors and the reason behind the behaviors.
In the sociocultural perspective, the way of understanding human personality development and behavior is being analyzed through the social group's rules and the individual's membership in a particular sub-group.
Lev Vygotsky believed that an individual's caregivers, parents, culture, or peers, etc play an important role in the development of higher-order functions.
In the question above, the statement signifies the sociocultural perspective.