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Monday, September 28, 2015

More on Charter Schools

Editor: In light of our recent post on the Washington State Supreme Court decision finding charter schools unconstitutional in our state, I thought readers would find this website on educational policy and current research to be of interest.  Readers can find the National Education Policy Center website at http://nepc.colorado.edu/  Below are the most recent comments on charter schools that the center just sent out on its listserv today.  Check out their website for more complete information.


Problems with CREDO’s Charter School Research: Understanding the Issues



Andrew Maul’s rejoinder to CREDO’s response



Contact:
William J. Mathis, (802) 383-0058, wmathis@sover.net
Andrew Maul, (805) 893-7770, amaul@education.ucsb.edu


URL for this press release: http://tinyurl.com/p6so45d
 


BOULDER, CO (September 28, 2015) – Earlier this summer, the Center for Research on Education Outcomes (CREDO) published a response to professor Andrew Maul’s review of CREDO’s Urban Charter School Study. The National Education Policy Center (NEPC) today released Maul’s reply, in which he thanks CREDO for the response yet explains, point-by-point, why he stands by the following eight concerns he had earlier raised about that study:


1.     The nature of the comparison between charter and traditional public schools in the CREDO studies is not clear;

2.     The matching variables used in CREDO’s studies may not be sufficient to support causal conclusions;
 
3.      Some lower-performing charter students are systematically excluded from the CREDO studies;
 
4.     CREDO’s reasons for the systematic exclusion of lower-scoring charter students do not address the potential for bias arising from the exclusion;
 
5.     The “days of learning” metric used in the CREDO studies is problematic;
 
6.     The CREDO studies fail to provide sufficient information about the criteria for the selection of urban regions included in the studies;
 
7.      The CREDO studies lack an appropriate correction for multiple significance tests; and
 
8.     The CREDO studies have trivial effect sizes.

Maul’s original review and his short rejoinder are published by the NEPC, housed at the University of Colorado Boulder School of Education. Maul, an assistant professor in the Graduate School of Education at the University of California, Santa Barbara, focuses his research on measurement theory, validity, and research design.


Find Maul’s original review of CREDO’s urban-charter report and his full rejoinder here or go to: http://nepc.colorado.edu/thinktank/review-urban-charter-school


The original CREDO report, and the CREDO response to Maul’s review, are currently available at the following urls:
Original report:
http://urbancharters.stanford.edu/download/Urban%20Charter%20School%20Study%20Report%20on%2041%20Regions.pdf
Peterson’s Response:
http://credo.stanford.edu/pdfs/CREDOResponsetoMaulandGabor.pdf


 The mission of the National Education Policy Center is to produce and disseminate high-quality, peer-reviewed research to inform education policy discussions. We are guided by the belief that the democratic governance of public education is strengthened when policies are based on sound evidence. NEPC is housed at the University of Colorado Boulder School of Education.

Please forward this to anyone you think might be interested. You can learn more about NEPC and sign up for publication updates by visiting http://nepc.colorado.edu/. To learn more about the Think Twice think tank review project, visit http://thinktankreview.org.

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