Discussion techniques can be categorized into three headings: proper planning, preparing students for discussion, and discussion guiding techniques. Proper planning involves selecting topics, setting objectives and guidelines. It also involves arranging discussions at convenient times in conducive environments. Preparing students involves providing background information on topics, stating objectives and guidelines clearly, and setting the proper tone. Guiding techniques refers to the teacher's role in facilitating the discussion, ensuring participation, and monitoring the discussion to keep it on track.