“…Researchers have studied a variety of topics on how children and adults learn to use computers from the cognitive developmental perspective. Five of the topics are of major importance: (1) developmental appropriateness in children's learning computers (Houston, 1985;Silvern, Williamson, and Countermine, 1988), (2) children's skills of programming or using computer programs such as word processing (Sebrechts, Deck, Wagner, and Black, 1984;Sprigle and Schaefer, 1984), (3) beliefs, conceptions, and representations of computers (Kay and Black, 1990;Krendl and Broihier, 1992;Mioduser, Venezky, and Gong, 1996;Scaife and van Duuren, 1995;van Duuren and Scaife, 1995), (4) perception, memory, and metacognition in learning computers (Calvert, 1994;Clements and Nastasi, 1999), and (5) cyberspace navigation skills (Chiu and Wang, 2000;Head, Archer, and Yuan, 2000;McDonald and Stevenson, 1998;Park and Kim, 2000;Westerman, 1995;Xu, Dainoff, and Mark, 1999;Zizi and Beaudouin-Lafon, 1995).…”