Classroom Video-Recording: When, Why and How Does It Offer a Valuable Data Source for Qualitative Research?.

The Discovery of Grounded Theory: Strategies for Qualitative Research.

Helmut R. Wagner, Barney G. Glaser, Anselm L. Strauss · Social Forces · 1968 · 46.6K citations

Social Sciences, Sociology, Ethnography +11

Verbal reports as data.

K. Anders Ericsson, Herbert A. Simon · Psychological Review · 1980 · 4.4K citations

Social Sciences, Linguistics, Psychology +5

Growth in mathematical understanding: How can we characterise it and how can we represent it?

Susan Pirie · Educational Studies in Mathematics · 1994 · 382 citations

Humanities, Mathematics, Mathematics Education +11

A method for conducting longitudinal analyses of classroom videorecordings and transcripts

Paul Cobb, Joy W. Whitenack · Educational Studies in Mathematics · 1996 · 193 citations

Education, Educational Psychology, Teaching +11

Middle School Students' Mathematical Problem Solving: An Analysis of Think-Aloud Protocols

Marjorie Montague, Brooks Applegate · Learning Disability Quarterly · 1993 · 115 citations

Education, Educational Psychology, Psychology +17