“…As research reviews make clear, several teaching behaviours encourage more student achievement and more learning gains, including setting targets, offering sufficient learning and instruction time, monitoring students' achievements, creating special measures for struggling learners, establishing a safe and stimulating educational climate, organizing efficient classroom management, giving clear and structured instruction, organizing intensive and activating teaching, differentiating instruction, and teaching learning strategies (Cotton, 1995;Creemers, 1991Creemers, , 1994Ellis & Worthington, 1994;Levine & Lezotte, 1990, 1995Muijs & Reynolds, 2011;Purkey & Smith, 1983;Sammons, Hillman, & Mortimore, 1995;Scheerens, 1989Scheerens, , 1992Scheerens, , 2008Van de Grift, 1985, 1990Walberg & Haertel, 1992;Wright, Horn, & Sanders, 1997). These results have been popularized in several books (Hattie, 2009(Hattie, , 2012Marzano, 2003).…”