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Authoritative discourse in the middle school mathematics classroom: a case study

According to the National Council of Teachers of Mathematics (NCTM)
standard of communication, ??Instructional programs from pre-kindergarten through
grade 12 should enable all students to...communicate their mathematical thinking
coherently and clearly to peers, teachers, and others?? and students need to learn ??what is
acceptable as evidence in mathematics?? (NCTM, 2000, p. 60). But do teachers have a
clear understanding of what is acceptable or do they believe that the only acceptable
explanations are the ones that they themselves gave to the students? Can teachers accept
alternative forms of explanation and methods of solution as mathematically accurate or
do they want students to simply restate the teachers?? understandings of mathematics and
the problem? The focus of this dissertation is the authoritative discourse practices of
classroom teachers as they relate to individual students and large and small groups of
students.
In this case study, I examine the interactions in one eighth-grade mathematics
classroom and the possible sharing of mathematical authority and development of
mathematical agency that take place via the teacher??s uses of authoritative discourse. A guiding objective of this research was to examine the ways a teacher??s discursive
practices were aligned with her pedagogical intentions.
The teacher for this study was an experienced eighth-grade mathematics teacher
at a rural Central Texas middle school. The teacher was a participant in the Middle
School Mathematics Project at Texas A&M University. Results of an analysis of the
discourse of six selected classes were combined with interview and observation data and
curriculum materials to inform the research questions.
I found that through the teacher??s regular use of authoritative discursive devices,
mathematical authority was infrequently shared. Also the teacher??s uses of authoritative
discourse helped create an environment where mathematical agency was not encouraged
or supported. The teacher??s use of various discursive devices helped establish and
maintain a hierarchy of mathematical authority with students at the lowest level reliant
on others for various mathematical decisions.

Identiferoai:union.ndltd.org:tamu.edu/oai:repository.tamu.edu:1969.1/2568
Date01 November 2005
CreatorsHarbaugh, Adam Paul
ContributorsCapraro, Mary Margaret, Kulm, Gerald
PublisherTexas A&M University
Source SetsTexas A and M University
Languageen_US
Detected LanguageEnglish
TypeBook, Thesis, Electronic Dissertation, text
Format610129 bytes, electronic, application/pdf, born digital

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