“…She wanted to make sure that she had both homogeneous and heterogeneous achievementlevel groupings each day, as much as possible (e.g., on flexible grouping, Flood, Lapp, Flood, &Nagel, 1992, andPinnell, 1996), This factor was linked to the teacher's epistemological outlook in that she thought that different kinds of groups could be associated with different kinds of knowledge or different ways of knowing. Because students will make the most reading progress when they are reading in materials at their "instructional" levels (e.g., Barr, 1989;Chall, Conard, & Harris-Sharpies, 1991;Elley & Mangubhai, 1983;Juel, 1990), she thought it was imperative that at least some of the daily instruction occur in small achievement-level groups. Daily "reading meetings" were achievement-level groupings.…”