Previous Studies with PDA …Continues from Previous Page  Handhelds in computer-supported collaborative learning (Roschelle & Pea, 2002; Zurita & Nussbaum, 2004);  Handhelds as personal tool for lifelong learning (Sharples, 2000);  Handhelds for disadvantaged young adults to improve literacy and numeracy skills (Attewell, 2005);  Handhelds for access to resources, as connectivity tool, as capture tool, as representational tool and as special calculator (Churchill & Churchill, 2005).
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