Final answer:
To become a more effective listener, Leonie should be more patient. Patience allows for better comprehension and shows respect to the speaker.
Step-by-step explanation:
Leonie should be more patient if she wants to become a more effective listener. Effective listening involves being able to patiently absorb what the other person is saying, without rushing to respond or interrupting.
Patience helps in understanding the speaker fully before forming a response, and it is also a sign of respect towards the speaker.