If you want to give your coworker time to consider your request carefully before responding, one-on-one meeting is the best medium for communicating your message.

Question

Quizplus · Accepted Answer

A live conversation puts the other person "on the spot" and doesn't give them time to carefully consider your appeal before responding. It actually makes it more uncomfortable for the audience to respond negatively. Better choices for this situation would be an email, text message, memo, letter, etc.

If You Want to Give Your Coworker Time to Consider