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Goldhaber, Dan; Loeb, Susanna – Carnegie Foundation for the Advancement of Teaching, 2013
Better teacher evaluation should lead to better instruction and improved outcomes for students, but more accurate classification of teachers requires better information than is now available. Because existing measures of performance are incomplete and imperfect, measured performance does not always reflect true performance. Teachers who are truly…
Descriptors: Personnel Management, Personnel Policy, Teacher Evaluation, Teacher Effectiveness
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Woods, Carol M. – Applied Psychological Measurement, 2009
Differential item functioning (DIF) occurs when items on a test or questionnaire have different measurement properties for one group of people versus another, irrespective of group-mean differences on the construct. Methods for testing DIF require matching members of different groups on an estimate of the construct. Preferably, the estimate is…
Descriptors: Test Results, Testing, Item Response Theory, Test Bias
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Gray, Lucinda; Thomas, Nina; Lewis, Laurie – National Center for Education Statistics, 2010
This report provides national data on the availability and use of educational technology among teachers in public elementary and secondary schools during the winter and spring of 2009. The data are the results of a national teacher-level survey that is one of a set that includes district, school, and teacher surveys on educational technology.…
Descriptors: Educational Technology, Technology Uses in Education, Public Schools, Elementary Schools