“…For example, research examining the progression from intellectual to visual realism suggests that task demands can greatly influence the nature of children's representations (Arrowsmith, Cox & Eames, 1994;Barrett & Bridson, 1983;Barrett & Light, 1976;Barrett, Beaumont & Jennett, 1985;Barrett, Sutherland & Lee, 1987;Chen & Holman, 1984;Cox, 1981Cox, , 1985Cox & Parkin, 1986;Davis, 1983Davis, , 1985aDavis, , 1985bDavis & Bentley, 1984;Lewis et. al., 1993;Light & McEwan, 1987;Light & Simmons, 1983;Parsons, 1995;Sitton & Light, 1992).…”