“…This has prompted governmental action in the area from research reports and reviews (DfEE, 1999; Moseley, Elliott, Gregson, & Higgins, 2005) to incorporating thinking skills into the National Curriculum. Indeed the teaching of thinking is now recognized as one of the primary aims of education (McGuinness, 2005; McGuinness & Nisbet, 1991; Pithers & Soden, 2000) and this is evidenced by the large number of thinking skills packages available to schools (Adey, 2002; TES, 2002). To date, such approaches, however, are often not based on thorough evaluation (Gorodetsky, Barak, Kaur, Xamir, & Tirosh, 2002).…”