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Reardon, Sean F.; Kalogrides, Demetra; Ho, Andrew D. – Stanford Center for Education Policy Analysis, 2017
There is no comprehensive database of U.S. district-level test scores that is comparable across states. We describe and evaluate a method for constructing such a database. First, we estimate linear, reliability-adjusted linking transformations from state test score scales to the scale of the National Assessment of Educational Progress (NAEP). We…
Descriptors: School Districts, Scores, Statistical Distributions, Database Design
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Blitz, Mark H.; Modeste, Marsha – Leadership and Policy in Schools, 2015
The Comprehensive Assessment of Leadership for Learning (CALL) is a multi-source assessment of distributed instructional leadership. As part of the validation of CALL, researchers examined differences between teacher and leader ratings in assessing distributed leadership practices. The authors utilized a t-test for equality of means for the…
Descriptors: Participative Decision Making, Transformational Leadership, Educational Practices, Instructional Leadership
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Hofer, Kerry G. – Contemporary Issues in Early Childhood, 2010
This project involved examining the most widely used instrument designed to evaluate the quality of early learning environments, the Early Childhood Environment Rating Scale-Revised Edition (ECERS-R). There are many aspects related to the way that the ECERS-R is used in practice that can vary from one observation to the next. The method in which…
Descriptors: Rating Scales, Measurement Techniques, Program Validation, Experimenter Characteristics