Step 1: Understanding the Concept:
Major developmental psychologists and their seminal theoretical frameworks in human behavior and cognition.
Step 2: Detailed Explanation:
Correlating theorists in List I with their signature concepts in List II:
- A. Erik Erikson: Psychosocial development theory $\rightarrow$ III. Trust v/s Mistrust (Stage 1 infancy crisis).
- B. Sigmund Freud: Psychosexual development theory $\rightarrow$ I. Anal Stage (Stage 2 toddlerhood, 1--3 years).
- C. Jean Piaget: Cognitive developmental stages $\rightarrow$ IV. Pre-operational stage (2--7 years).
- D. B. F. Skinner: Behavioral psychology $\rightarrow$ II. Operant Conditioning (reinforcement and punishment schedules).
Matching sequence: A - III, B - I, C - IV, D - II.
Step 3: Final Answer:
Therefore, the correct matching is A - III, B - I, C - IV, D - II, corresponding to option (A).