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Evaluation of the NSDL and Google for Obtaining Pedagogical Resources

Evaluation of the NSDL and Google for Obtaining Pedagogical Resources,10.1007/11551362_31,Frank Mccown,Johan Bollen,Michael L. Nelson

Evaluation of the NSDL and Google for Obtaining Pedagogical Resources   (Citations: 3)
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We describe an experiment that measures the pedagogical usefulness of the results returned by the National Science Digital Li- brary (NSDL) and Google. Eleven public school teachers from the state of Virginia (USA) were used to evaluate a set of 38 search terms and search results based on the Standards of Learning (SOL) for Virginia Public Schools. Evaluations of search results were obtained from the NSDL (572 evaluations) and Google (650 evaluations). In our experi- ments, teachers ranked the links returned by Google as more relevant to the SOL than the links returned by the NSDL. Furthermore, Google's ranking of educational material also showed some correlation with expert judgments.
Conference: European Conference on Digital Libraries - ECDL , pp. 344-355, 2005
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    • ...One example is the work of McCown et al. (2005), who recruited eleven teachers to participate in a study comparing the effectiveness of NSDL and Google in terms of the quality of results returned for curriculumrelated search expressions...
    • ...For example, McCown et al. (2005) may have started with a hypothesis that NSDL supports the science curriculum better than Google, whereas Kuhlthau and Tama (2001) conducted their study in a largely exploratory way that helped identify requirements for future systems...
    • ...The work of McCown et al. (2005) is a counter-example, in that it involved teachers rather than the students who are the target users for the systems...

    Ann Blandfordet al. The PRET A Rapporter framework: Evaluating digital libraries from the ...

    • ...One example is the work of McCown et al (2005), who recruited eleven teachers to participate in a study comparing the effectiveness of NSDL and Google in terms of the quality of results returned for curriculumrelated search expressions...
    • ...McCown et al (2005) may have started with a hypothesis that NSDL supports the science curriculum better than Google) or theory building (e.g...
    • ...The work of McCown et al (2005) is a counter-example, in that it involved teachers rather than the students who are the target users for the systems...

    Ann Blandfordet al. PRET A Reporter: evaluating Digital Libraries alone and in context

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