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Original Articles

Lexical Ambiguity in Statistics: What do Students Know about the Words Association, Average, Confidence, Random and Spread?

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Abstract

Language plays a crucial role in the classroom. The use of specialized language in a domain can cause a subject to seem more difficult to students than it actually is. When words that are part of everyday English are used differently in a domain, these words are said to have lexical ambiguity. Studies in other fields, such as mathematics and chemistry education suggest that in order to help students learn vocabulary instructors should exploit the lexical ambiguity of the words. The study presented here is a pilot study that is the first in a sequence of studies designed to understand the effects of and develop techniques for exploiting lexical ambiguities in the statistic classroom. In particular, this paper describes the meanings most commonly used by students entering an undergraduate statistics course of five statistical terms.

Acknowledgements

This work was completed under the CAUSEmos research cluster grant funded by NSF DUE-0618790. The authors would like to thank their research mentors, Sterling Hilton, John Holcomb, and Marsha Lovett for their invaluable help with both designing the research and refining the paper. Furthermore, the advice given by the two referees and associate editor were invaluable toward the presentation of the topic and results discussed in the paper.

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