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Yap, Kueh Chin | 1 |
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Yap, Kueh Chin; Capie, William – 1985
The purpose of this study was to compare the relative magnitude of the variance components and generalizability coefficients derived from the Teacher Performance Assessment Instruments (TPAI) data using two different methods of data collection: (1) occasions when observers were in the classroom for simultaneous observation and (2) occasions when…
Descriptors: Analysis of Variance, Classroom Observation Techniques, Data Collection, Elementary Secondary Education