Abstract

https://ssrn.com/abstract=2506935
 


 



Teacher Quality Differences Between Teacher Preparation Programs: How Big? How Reliable? Which Programs Are Different?


Paul T. von Hippel


University of Texas at Austin - Lyndon B. Johnson School of Public Affairs

Laura Bellows


Duke University - Sanford School of Public Policy

Cynthia Osborne


University of Texas at Austin - Lyndon B. Johnson School of Public Affairs

Jane Arnold Lincove


University of Texas at Austin - Lyndon B. Johnson School of Public Affairs

Nicholas Mills


University of Texas at Austin - Lyndon B. Johnson School of Public Affairs

October 7, 2014

Economics of Education Review, Vol. 53, pp. 31-45, 2016

Abstract:     
Sixteen US states have begun to hold teacher preparation programs (TPPs) accountable for teacher quality, as estimated by teacher value-added to student test scores. Yet it is not easy to identify TPPs whose teachers are substantially better or worse than average. The true differences between TPPs are small; the estimated differences are not very reliable; and when many TPPs are compared, multiple comparisons increase the danger of misclassifying ordinary TPPs as good or bad. Using large and diverse data from Texas, we evaluate statistical methods for estimating teacher quality differences between TPPs. The most convincing estimates come from a value-added model where confidence intervals are widened for multiple comparisons and for the correlation between teachers from the same TPP. Using these widened confidence intervals, it is rarely possible to identify with confidence which TPPs, if any, are better or worse than average. The potential benefits of TPP accountability may be too small to balance the risk that a proliferation of noisy TPP estimates will encourage arbitrary and ineffective policy actions.

Number of Pages in PDF File: 46


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Date posted: October 9, 2014 ; Last revised: August 28, 2016

Suggested Citation

von Hippel, Paul T. and Bellows, Laura and Osborne, Cynthia and Arnold Lincove, Jane and Mills, Nicholas, Teacher Quality Differences Between Teacher Preparation Programs: How Big? How Reliable? Which Programs Are Different? (October 7, 2014). Economics of Education Review, Vol. 53, pp. 31-45, 2016. Available at SSRN: https://ssrn.com/abstract=2506935 or http://dx.doi.org/10.2139/ssrn.2506935

Contact Information

Paul T. Von Hippel (Contact Author)
University of Texas at Austin - Lyndon B. Johnson School of Public Affairs ( email )
2315 Red River, Box Y
Austin, TX 78712
United States
Laura Bellows
Duke University - Sanford School of Public Policy ( email )
201 Science Drive
Durham, NC 27708
United States
Cynthia Osborne
University of Texas at Austin - Lyndon B. Johnson School of Public Affairs ( email )
2300 Red River St., Stop E2700
PO Box Y
Austin, TX 78713
United States
Jane Arnold Lincove
University of Texas at Austin - Lyndon B. Johnson School of Public Affairs ( email )
2300 Red River St., Stop E2700
PO Box Y
Austin, TX 78713
United States
Nicholas Mills
University of Texas at Austin - Lyndon B. Johnson School of Public Affairs ( email )
2300 Red River St., Stop E2700
PO Box Y
Austin, TX 78713
United States
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