Final Answer:
Inexperienced support agents tend to speak 3) Quickly when they experience stress in a conversation with a user.
Step-by-step explanation:
Inexperienced support agents, when under stress in a conversation with a user, often tend to speak quickly. Rapid speech can be a common response to stress, as individuals may feel a sense of urgency or anxiety. This can impact communication effectiveness, making it important for support agents to develop skills to manage stress and maintain clear, concise communication even in challenging situations.