Final answer:
Walter Mischel researched Social-cognitive theory, influencing the person-situation debate by emphasizing the role of situational interpretation in behavior.
Step-by-step explanation:
Walter Mischel conducted research into c. Social-cognitive theory and played a crucial role in the person-situation debate in personality psychology. Mischel challenged the view that personality traits are consistent across different situations, suggesting instead that both the situation and personal cognitive processes are influential in how behavior is expressed. His perspective focuses on how individuals process and interpret situations, leading to particular behaviors.