“…This comment has been echoed in a number of studies which deal with such classroom dialogue (Author, 2004;Hodson, 1999;Hodson, 2003;Levinson, 2001;Levinson, 2003;Levinson et al, 2001;Millar et al, 1998;Oulton, Dillon, & Grace, 2004;Reiss, 1999;Sadler, 2004a;Sadler, 2004b).…”