“…However, [2] suggested combining codes such Lec, RtW, and D/V as “Presenting,” FUp, PQ, CQ, AnQ, MG, and 1o1 as “Guiding,” Adm as “Admin,” and W and O as Other” for teacher's activities while L as “Receiving,” AnQ, SQ, WC, and SP as “Talking to Class,” Ind, CG, WG, and OG as “Working,” and O and W as Other were combined for students activities. The grouping of these codes easy to compare instructional styles and maybe formulated depending on the research focus, such as the investigation of clicker questions [4] , active learning techniques [3] , instructional style [5] , and so on.…”