Measuring mathematics teachers’ professional competence by using video clips (COACTIV video)

The Measurement of Observer Agreement for Categorical Data

J. Richard Landis, Gary G. Koch · Biometrics · 1977 · 76.3K citations · Full text

Engineering, Generalizability Theory, Diagnosis +20

A power primer.

Jacob Cohen · Psychological Bulletin · 1992 · 41.2K citations

Behavioral Sciences, Performance Studies, Statistical Power Analysis +11

Those Who Understand: Knowledge Growth in Teaching

Lee S. Shulman · Educational Researcher · 1986 · 17.8K citations · Full text

The role of deliberate practice in the acquisition of expert performance.

K. Anders Ericsson, Ralf Krampe, Clemens Tesch‐Römer · Psychological Review · 1993 · 8.6K citations

Content Knowledge for Teaching

Deborah Loewenberg Ball, Mark Hoover, Geoffrey Phelps · Journal of Teacher Education · 2008 · 5.1K citations

Educational Writing, Mathematics Cognition, Science Teaching +19