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The different effects of thinking aloud and writing on graph comprehension

Ali, Nadia and Peebles, David (2011) The different effects of thinking aloud and writing on graph comprehension. In: CogSci 2011 Proceedings. Cognitive Science Society, pp. 3143-3148. ISBN 9780976831877

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    Abstract

    We report an experiment which seeks to determine how novice users' conceptual understanding of graphs differs depending on the nature of the interaction with them. Undergraduate psychology students were asked to interpret three-variable "interaction" data in either bar or line graph form and were required to either think aloud while doing so or to produce written interpretations.
    Analysis of the verbal protocols and written interpretations showed that producing a written interpretation revealed significantly higher levels of comprehension than interpreting them while thinking aloud. Specifically, a significant proportion of line graph users in the verbal protocol condition was either unable to interpret the graphs, or misinterpreted information presented in them. The occurrence of these errors was substantially lower for the bar graph users in the verbal protocol condition. In contrast, analysis of the written condition revealed no significant difference in the level of comprehension between the two graph types. Possible explanations for these findings are discussed.

    Item Type: Book Chapter
    Additional Information: Paper presented at The 33rd Annual Conference of the Cognitive Science Society, Wednesday, July 20 - Saturday July 23, 2011, Boston, USA
    Subjects: B Philosophy. Psychology. Religion > BF Psychology
    Schools: School of Human and Health Sciences
    School of Human and Health Sciences > Centre for Applied Psychological Research
    Related URLs:
    Depositing User: David Peebles
    Date Deposited: 24 May 2011 16:42
    Last Modified: 27 Jun 2013 10:39
    URI: http://eprints.hud.ac.uk/id/eprint/10537

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