Abstract
Structured, task:.based individual interviews are· one asiJict of an ongoing mathematics education
research study of elementary school children at Rutgers University.· The gorlls of the interviews are· to
observe complex, mathematical problemcsolving behavior in detail, and to draw inferences from these
observations about the children's thinking and development. This paper discusses the scientific
underpinnings of the methodology, the role of cognitive· theory in structuring an interview; constraints
and limitations imposed by the social-psychological context of an interview, and the interplay between
task variables, observed behaviors, and inferred cognitions. Some principles of interview design and
construction are suggested for consideration by the mathematics education research community.
GERALD A. GOLDIN
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