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| Rowley, Glenn L. | 1 |
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Rowley, Glenn L. – 1986
Classroom researchers are frequently urged to provide evidence of the reliability of their data. In the case of observational data, three approaches to this have emerged: observer agreement, generalizability theory, and measurement error. Generalizability theory provides the most powerful approach given an adequate data collection design, but…
Descriptors: Classroom Observation Techniques, Classroom Research, Correlation, Elementary Education
