A learner-centered lesson is most likely to encourage speaking because it focuses on the needs and interests of the learners, allowing them to actively participate and engage in the learning process. In this type of lesson, the teacher acts as a facilitator, creating opportunities for students to speak, share their ideas, and interact with each other. Learner-centered lessons often include activities such as discussions, role-plays, and group work, which promote communication and language production. By placing the learners at the center of the lesson, their speaking skills are nurtured and developed.