Final answer:
Option 3) "On a scale of 1 to 10, rank the importance of being assertive."
Step-by-step explanation:
The statement that encourages the client to acknowledge the priority of the ineffective communication problem is option 3) "On a scale of 1 to 10, rank the importance of being assertive." This statement prompts the client to reflect on the importance of assertiveness and recognize its significance in effective communication. By asking the client to rank the importance on a scale, it helps highlight the priority of the problem.