The correct answer is respect. In a retrospective, the value the team is focused on is respect for the opinions of others. The other answers are incorrect. Retrospectives involve both Respect and Courage, but the only accurate answer on
this list is Respect. Decency, Education, and Vocalization are not the best choices listed; they are not XP core values. The XP core values are Simplicity, Communication, Feedback, Courage, and Respect.