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2) Over the past 2 decades, business schools have added required courses on organizational design to many of their curricula. Why have they done this? A. Managers no longer need technical skills in subjects such as economics and accounting to succeed. B. Managers need to understand human behavior if they are to be effective. C. These skills enable managers to effectively lead human resources departments. D. A manager with good interpersonal skills can help create a pleasant workplace. 3) Robert Katz identified three essential skills that managers must have to reach their goals. What are these skills? A. Technical, decisional, and interpersonal B. Technical, human, and conceptual C. Interpersonal, informational, and decisional D. Human, informational, and communication 4) __________ is a field of study that investigates the effect that individuals, groups, and structures have on behavior within