“…Finally, recent research using looking-time paradigms has suggested that even young infants are sensitive to identity relations (Tyrrell, Stauffer, & Snowman, 1991). These kinds of results have led most researchers to adopt the knowledge-change view, that whether children can recognize relational similarity in a domain depends chiefiy on their knowledge of that domain (Brown, 1989;Brown & DeLoache, 1978;Brown, Kane, & Echols, 1986;Carey, 1985Carey, , 1991Chen & Daehler, 1989;Chi, 1981;Chi, Feltovich, & Glaser, 1981;Crisafi & Brown, 1986;Gentiier, 1977aGentiier, , 1977bGentiier, , 1988Gentner & Rattermann, 1991;Goswami, 1991Goswami, , 1992Goswami & Brown, 1989;Ortony, Reynolds, & Arter, 1978;Vosniadou, 1987Vosniadou, , 1989.…”