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LSAT Technical Reports

LSAT Technical Reports:

MOST RECENT Reports

  • LSAT Performance with Regional, Gender, and Racial/Ethnic Breakdowns: LSAT Performance with Regional, Gender, and Racial/Ethnic Breakdowns: 2003–2004 Through 2009–2010 Testing Years (TR 10-03) (PDF)
  • National Summaries of Correlation Studies: Predictive Validity of the LSAT: A National Summary of the 2009 and 2010 Correlation Studies (TR 11-02) (PDF) (Posted 3-2-12) (new)
  • Self-Reported Methods of Test Preparation: Summary of Self-Reported Methods of Test Preparation by LSAT Takers for Testing Years 2008–2009 Through 2010–2011 (TR 11-03) (PDF) (Posted 1-20-12) (new)
  • Differential Prediction for Racial/Ethnic Subgroups: Analysis of Differential Prediction of Law School Performance by Racial/Ethnic Subgroups Based on 2005–2007 Entering Law School Classes (TR 09-02) (PDF)
  • Differential Prediction for Gender Subgroups: Analysis of Differential Prediction of Law School Performance by Gender Subgroups Based on 2005–2007 Entering Law School Classes (TR 10-01) (PDF)
  • LSAT Performance by Repeat Test Takers: The Performance of Repeat Test Takers on the Law School Admission Test: 2003–2004 Through 2009–2010 Testing Years (TR 11-01) (PDF)
  • Predictive Validity for Repeat Test Takers: The Validity of Law School Admission Test Scores for Repeat Test Takers: 2005 Through 2008 Entering Law School Classes (TR 10-02) (PDF)
  • Item Type Validity: LSAT Item-Type Validity Study (TR 98-01) (PDF)
  • Predictive Validity for Test Takers with Disabilities: Predictive Validity of Accommodated LSAT Scores for the 2002–2006 Entering Law School Classes (TR 09-01) (PDF)
  • LSAT Performance by Test Takers with Disabilities: Accommodated Test-Taker Trends and Performance for the June 2002 through February 2007 LSAT Administrations (TR 08-02) (PDF)

Topical Listing of All LSAT Technical Reports

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LSAT Performance with Regional, Gender, and Racial/Ethnic Breakdowns

LSAT Performance with Regional, Gender, and Racial/Ethnic Breakdowns (TR 98-04)
by Deborah L. Schnipke, Lisa Anthony Stilwell, and Lynda M. Reese

  • Executive Summary
  • Full Research Report (PDF)

LSAT Performance With Regional, Gender, and Racial/Ethnic Breakdowns: 1993–1994 through 1999–2000 Testing Years (TR 00-01)
by Susan P. Dalessandro, Lisa Anthony Stilwell, and Lynda M. Reese

  • Executive Summary
  • Full Research Report (PDF)

LSAT Performance with Regional, Gender, and Racial/Ethnic Breakdowns: 1995–1996 Through 2001–2002 Testing Years (TR 02-01)
by Susan P. Dalessandro, Lisa Anthony Stilwell, and Lynda M. Reese

  • Executive Summary
  • Full Research Report (PDF)

LSAT Performance with Regional, Gender, and Racial/Ethnic Breakdowns: 1997–1998 Through 2003–2004 Testing Years (TR 04-01)
by Susan P. Dalessandro, Lisa A. Stilwell, and Lynda M. Reese

  • Executive Summary
  • Full Research Report (PDF)

LSAT Performance with Regional, Gender, and Racial/Ethnic Breakdowns: 1999–2000 Through 2005–2006 Testing Years (TR 06-03)
by Susan P. Dalessandro, Laura A. Marcus, and Lynda M. Reese

  • Executive Summary
  • Full Research Report (PDF)

LSAT Performance with Regional, Gender, and Racial/Ethnic Breakdowns: 2001–2002 through 2007–2008 Testing Years (TR 08-03)
by Susan P. Dalessandro, Deborah A. Suto, and Lynda M. Reese

  • Executive Summary
  • Full Research Report (PDF)

LSAT Performance with Regional, Gender, and Racial/Ethnic Breakdowns: 2003–2004 Through 2009–2010 Testing Years (TR 10-03)
by Susan P. Dalessandro, Lisa A. Stilwell, Jennifer A. Lawlor, and Lynda M. Reese

  • Executive Summary
  • Full Research Report (PDF)

National Summaries of Correlation Studies

Predictive Validity of the LSAT: A National Summary of the 1995–1996 Correlation Studies (TR 97-01)
by Lisa C. Anthony, Vincent F. Harris, and Peter J. Pashley

  • Executive Summary
  • Full Research Report (PDF)

Predictive Validity of the LSAT: A National Summary of the 1997–1998 Correlation Studies (TR 99-01)
by Lisa C. Anthony, Jennifer R. Duffy, and Lynda M. Reese

  • Executive Summary
  • Full Research Report (PDF)

Predictive Validity of the LSAT: A National Summary of the 1999–2000 Correlation Studies (TR 01-02)
by Andrea E. Thornton, Deborah A. Suto, Lisa C. Anthony, and Mei Liu

  • Executive Summary
  • Full Research Report (PDF)

Predictive Validity of the LSAT: A National Summary of the 2001–2002 Correlation Studies (TR 03-01)
by Lisa Anthony Stilwell, Susan P. Dalessandro, and Lynda M. Reese

  • Executive Summary
  • Full Research Report (PDF)

Predictive Validity of the LSAT: A National Summary of the 2003–2004 Correlation Studies (TR 05-02)
by Susan Diamond-Dalessandro, Lisa Anthony Stilwell, and Lynda M. Reese

  • Executive Summary
  • Full Research Report (PDF)

Predictive Validity of the LSAT: A National Summary of the 2005–2006 Correlation Studies (TR 07-02)
by Lisa Anthony Stilwell, Susan P. Dalessandro, and Lynda M. Reese

  • Executive Summary
  • Full Research Report (PDF)

Predictive Validity of the LSAT: A National Summary of the 2007 and 2008 Correlation Studies (TR 09-03)
by Lisa Anthony Stilwell, Susan P. Dalessandro, and Lynda M. Reese

  • Executive Summary
  • Full Research Report (PDF)

Predictive Validity of the LSAT: A National Summary of the 2009 and 2010 Correlation Studies (TR 11-02)
by Lisa Anthony Stilwell, Susan P. Dalessandro, and Lynda M. Reese

  • Executive Summary
  • Full Research Report (PDF)

Self-Reported Methods of Test Preparation

Summary of Self-Reported Methods of Test Preparation by LSAT Takers for Testing Years 1991–1992 Through 1996–1997 (TR 97-02)
by Andrea E. Thornton

  • Executive Summary
  • Full Research Report (PDF)

Summary of Self-Reported Methods of Test Preparation by LSAT Takers for Testing Years 1997–1998 Through 1999–2000 (TR 00-04)
by Andrea E. Thornton and Lynda M. Reese

  • Executive Summary
  • Full Research Report (PDF)

Summary of Self-Reported Methods of Test Preparation by LSAT Takers for Testing Years 2000–2001 Through 2002–2003 (TR 03-02)
by Andrea E. Thornton, Deborah A. Suto, and Lynda M. Reese

  • Executive Summary
  • Full Research Report (PDF)

Summary of Self-Reported Methods of Test Preparation by LSAT Takers for Testing Years 2003–2004 and 2004–2005 (TR 05-01)
by Andrea E. Thornton, Deborah A. Suto, and Lynda M. Reese

  • Executive Summary
  • Full Research Report (PDF)

Summary of Self-Reported Methods of Test Preparation by LSAT Takers for Testing Years 2005–2006 through 2007–2008 (TR 08-04)
by Josiah Evans, Andrea E. Thornton, and Lynda M. Reese

  • Executive Summary
  • Full Research Report (PDF)

Summary of Self-Reported Methods of Test Preparation by LSAT Takers for Testing Years 2008–2009 Through 2010–2011 (TR 11-03)
by Josiah Evans, Andrea Thornton Sweeney, and Lynda M. Reese

  • Executive Summary
  • Full Research Report (PDF)

Differential Prediction for Racial/Ethnic Subgroups

Analysis of Differential Prediction of Law School Performance by Racial/Ethnic Subgroups (TR 98-02)
by Lisa Anthony Stilwell, Lynda M. Reese, and Peter J. Pashley

  • Executive Summary
  • Full Research Report (PDF)

Analysis of Differential Prediction of Law School Performance by Racial/Ethnic Subgroups Based on the 1996-1998 Entering Law School Classes (TR 00-02)
by Lisa C. Anthony and Mei Liu

  • Executive Summary
  • Full Research Report (PDF)

Analysis of Differential Prediction of Law School Performance by Racial/Ethnic Subgroups Based on the 1999–2001 Entering Law School Classes (TR 03-03)
by Lisa Anthony Stilwell and Peter J. Pashley

  • Executive Summary
  • Full Research Report (PDF)

Analysis of Differential Prediction of Law School Performance by Racial/Ethnic Subgroups Based on 2002–2004 Entering Law School Classes (TR 06-01)
by Lynne L. Norton, Deborah A. Suto, and Lynda M. Reese

  • Executive Summary
  • Full Research Report (PDF)

Analysis of Differential Prediction of Law School Performance by Racial/Ethnic Subgroups Based on 2005–2007 Entering Law School Classes (TR 09-02)
by Lynne L. Norton, Deborah A. Suto, and Lynda M. Reese

  • Executive Summary
  • Full Research Report (PDF)

Differential Prediction for Gender Subgroups

Analysis of Differential Prediction of Law School Performance by Gender Subgroups (TR 98-03)
by Vincent F. Harris, Louis A. Roussos, and Peter J. Pashley

  • Executive Summary
  • Full Research Report (PDF)

Analysis of Differential Prediction of Law School Performance by Gender Subgroups Based on the 1996–1998 Entering Law School Classes (TR 00-03)
by Jennifer R. Duffy and Louis A. Roussos

  • Executive Summary
  • Full Research Report (PDF)

Analysis of Differential Prediction of Law School Performance by Gender Subgroups Based on 1999–2001 Entering Law School Classes (TR 03-04)
by Jennifer R. Duffy and Peter J. Pashley

  • Executive Summary
  • Full Research Report (PDF)

Analysis of Differential Prediction of Law School Performance by Gender Subgroups Based on 2002–2004 Entering Law School Classes (TR 07-01)
by Deborah A. Suto, Lynne L. Norton, and Lynda M. Reese

  • Executive Summary
  • Full Research Report (PDF)

Analysis of Differential Prediction of Law School Performance by Gender Subgroups Based on 2005–2007 Entering Law School Classes (TR 10-01)
by Deborah A. Suto, Lynne L. Norton, and Lynda M. Reese

  • Executive Summary
  • Full Research Report (PDF)

LSAT Performance by Repeat Test Takers

The Performance of Repeat Test Takers On the Law School Admission Test: 1994–1995 Through 2000–2001 Testing Years (TR 01-03)
by Jennifer R. Duffy, Susan P. Dalessandro, Lisa Anthony Stilwell, and Kimberly A. Swygert

  • Executive Summary
  • Full Research Report (PDF)

The Performance of Repeat Test Takers On the Law School Admission Test: 1997–1998 Through 2003–2004 Testing Years (TR 04-02)
by Andrea E. Thornton, Deborah A. Suto, Jennifer R. Duffy, and Lynda M. Reese

  • Executive Summary
  • Full Research Report (PDF)

The Performance of Repeat Test Takers On the Law School Admission Test: 2000–2001 Through 2006–2007 Testing Years (TR 08-01)
by Andrea E. Thornton, Laura A. Marcus, Arlene Amodeo, and Lynda M. Reese

  • Executive Summary
  • Full Research Report (PDF)

The Performance of Repeat Test Takers on the Law School Admission Test: 2003–2004 Through 2009–2010 Testing Years (TR 11-01)
by Laura A. Marcus, Andrea Thornton Sweeney, and Lynda M. Reese

  • Executive Summary
  • Full Research Report (PDF)

Predictive Validity for Repeat Test Takers

The Validity of Law School Admission Test Scores for Repeaters: A Replication (TR 98-05)
by Susan P. Dalessandro and Lori D. McLeod

  • Executive Summary
  • Full Research Report (PDF)

The Validity of Law School Admission Test Scores for Repeaters: 1997 Through 2000 Entering Law School Classes (TR 02-02)
by Lisa Anthony Stilwell, Andrea E. Thornton, and Peter J. Pashley

  • Executive Summary
  • Full Research Report (PDF)

The Validity of Law School Admission Test Scores for Repeaters: 2001 Through 2004 Entering Law School Classes (TR 06-02)
by Andrea E. Thornton, Lisa Anthony Stilwell, and Lynda M. Reese

  • Executive Summary
  • Full Research Report (PDF)

The Validity of Law School Admission Test Scores for Repeat Test Takers: 2005 Through 2008 Entering Law School Classes (TR 10-02)
by Andrea Thornton Sweeney, Laura A. Marcus, and Lynda M. Reese

  • Executive Summary
  • Full Research Report (PDF)

Item Type Validity

LSAT Item-Type Validity Study (TR 98-01)
by Louis A. Roussos and Lynne L. Norton

  • Executive Summary
  • Full Research Report (PDF)

Predictive Validity for Test Takers with Disabilities

Predictive Validity of Accommodated LSAT Scores (TR 01-01)
by Andrea E. Thornton, Lynda M. Reese, Peter J. Pashley, and Susan P. Dalessandro

  • Executive Summary
  • Full Research Report (PDF)

Predictive Validity of Accommodated LSAT Scores for the 2002–2006 Entering Law School Classes (TR 09-01)
by Arlene Amodeo, Laura A. Marcus, Andrea E. Thornton, and Peter J. Pashley

  • Executive Summary
  • Full Research Report (PDF)

LSAT Performance by Test Takers with Disabilities

Accommodated Test Taker Trends and Performance for the June 1993 through February 1998 LSAT Administrations (TR 01-04)
by Andrea E. Thornton, Susan P. Dalessandro, and Lynda M. Reese

  • Executive Summary
  • Full Research Report (PDF)

Accommodated Test-Taker Trends and Performance for the June 2002 through February 2007 LSAT Administrations (TR 08-02)
by Andrea E. Thornton, Laura A. Marcus, and Lynda M. Reese

  • Executive Summary
  • Full Research Report (PDF)

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