The major influences that drive behavior are biological, psychological, and social influences.

• A. Genetic, environmental, and cultural influences.
• B. Cognitive, emotional, and spiritual influences.
• C. Biological, psychological, and social influences.
• D. Physiological, behavioral, and social influences.

Answer: (C)

The main idea being tested is that behavior comes from multiple interacting influences—biology, psychology, and the social environment. This aligns with the biopsychosocial viewpoint, which explains how genetic and brain factors (biology) combine with thoughts, feelings, and learning (psychology) and with culture, family, peers, and overall environment (social) to shape actions.

The best answer names those three domains: biological, psychological, and social influences. It captures the full spectrum of factors that can drive behavior, from brain chemistry and genetics to mental processes and social context.

The other options miss one of these essential components. One option points to genetic, environmental, and cultural influences, which covers biology and social context but neglects the psychological processes that mediate how we think and feel. Another option highlights cognitive, emotional, and spiritual influences, which centers on mental and belief aspects but omits biological and social factors. A different option uses physiological, behavioral, and social influences; while physiological overlaps with biology, “behavioral” describes actions rather than the internal processes that drive them and again misses the psychological dimension.