The Effect of Observation Length on Teaching Quality


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How long should a lesson observation be to determine teaching quality?

In a paper published by Mashburn et al (2013), researchers study the effect of different observation procedures on score reliability and validity, conducting an experimental study that manipulated the length of observation...

Screenshot 2021 11 17 At 17.05.14In this 23-page paper, The Effect of Observation Length and Presentation Order on the Reliability and Validity of an Observational Measure of Teaching Quality, the researchers remind us that "teaching observations have a long history of use