Abstract
The Vanderbilt Assessment of Leadership in Education (VAL-ED) provides educators with a tool for principal evaluation based on principal, teacher, and supervisor reports of principals’ learning-centered leadership. In this study, we conduct a known group analysis as part of a larger argument for the validity of the VAL-ED in US elementary and secondary schools. We asked superintendents to select the principals in their district who they believe in performance of their duties are in the top 20 % and the bottom 20 %. We ask how accurately VAL-ED scores can identify membership of the two known groups. Using a discriminant analysis, the VAL-ED places principals in the superintendent groups, on average, 70 % of the time for both elementary and secondary schools. Placement accuracy is greater for the top group than the bottom group.
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Notes
We define principal learning-centered leadership as intentional mediated actions focused on student learning.
We wish to acknowledge the generous support of the Wallace Foundation whose grant to Vanderbilt University made this research-anchored development work possible.
We recognize that it is possible that the superintendent was aware of the VAL-ED scores prior to categorizations, especially for the three districts with VAL-ED scores from 2009 to 2010. These three districts do have higher accuracy rates than the other three districts. Since the districts with VAL-ED scores from 2009 to 2010 are the three smallest districts, it is possible that the superintendent has a better sense of the principals’ effectiveness. However, to control for the possibility that the superintendent used the VAL-ED scores to place principals in the two groups and as a robustness test, we run the analyses without those districts. We reach the same conclusions from our results.
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Acknowledgments
The research reported here was supported by the Institute of Education Sciences, U.S. Department of Education, through grants # R305A0803070, R305B100013-01, and R305E100008 of the U.S. Department of Education. The authors declare a potential conflict of interest (e.g., a financial relationship with the commercial organizations or products discussed in this article) as follows: The Vanderbilt Assessment of Leadership in Education (VAL-ED) instrument is authored by Drs. Porter, Murphy, Goldring, and Elliott and copyrighted by Vanderbilt University, all of whom receive a royalty from its sales by Discovery Education Assessment. The VAL-ED authors and their research partners have made every effort to be objective and data based in statements about the instrument and value the independent peer review process of their research. With any publication, readers should judge the facts and related materials for themselves.
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Covay Minor, E., Porter, A.C., Murphy, J. et al. A known group analysis validity study of the Vanderbilt Assessment of Leadership in Education in US elementary and secondary schools. Educ Asse Eval Acc 26, 29–48 (2014). https://doi.org/10.1007/s11092-013-9180-z
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DOI: https://doi.org/10.1007/s11092-013-9180-z