“…In addition, even when pre-to post-test progress is comparable to what was achieved during group work, some studies have detected little relation between group and post-test performance. For instance, in research addressing conceptual change in three areas of science [Howe, Rodgers, & Tolmie, 1990;Howe, Tolmie, Duchak-Tanner, & Rattray, 2000;Howe & Tolmie, 2003], group performance was, on average, superior to pretest performance and post-test performance was, again on average, equivalent to group performance. However, correlations between group and post-test performance were consistently non-significant.…”