Final answer:
Walter Mischel's theory of personality is based on social-cognitive theory, highlighting the importance of situational interpretation in determining our behavior.
Step-by-step explanation:
Walter Mischel's theory of personality is centered on his work on c) Social-cognitive theory. Mischel, once a student of Julian Rotter and a colleague of Albert Bandura, challenged the foundations of personality psychology through empirical research. He concluded that personality traits are not consistent across different situations, a finding that sparked the person-situation debate among personality psychologists. Mischel's approach underscores the importance of the situation and how an individual perceives and processes that situation, thereby asserting that cognition plays a significant role in how people behave in response to various environment stimuli.