Answer:
b. observable behavior only; both observable behavior and mental processes
Step-by-step explanation:
Behavioral perspective: J.B. Watson established the psychological school of behaviorism. This is a theoretical perspective in which learning is based on stimulus-response relationships. Behavioral perspective states that behavior is being learned and not innate. Behaviorists believed that behavior is being learned through observation and modeling.
Socio-cultural perspective: It focuses on the way an individual behaves and why they behave in certain ways. It states that behavior is being affected according to the situation and cultures.