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Social and Economic Sciences Research Center. PNAIRP September 2009 Holes in Student Clearinghouse Data Paul Stern Senior Research Manager Washington State University Social & Economic Sciences Research Center www.sesrc.wsu.edu/k12. SESRC: Background.

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Social and economic sciences research center

Social and Economic Sciences Research Center

PNAIRP

September 2009

Holes in Student Clearinghouse Data

Paul Stern

Senior Research Manager

Washington State University

Social & Economic Sciences Research Center

www.sesrc.wsu.edu/k12


Sesrc background

SESRC: Background

  • SESRC is an independent research organization within Washington State University

  • We are the directors of the State’s High School Graduate Follow up Study and the College Enrollment Study

  • SESRC routinely matches data against the National Student Clearinghouse and with local sources to measure recent graduates’ post-secondary enrollments


Core question

Core Question:

What do we know about the overall coverage of the data we get back from the National Student Clearinghouse?


Social and economic sciences research center

Data

  • Study Population: The HS Class of 2006

  • Enrollments reflect the period from July 2006-June 2007

  • Matches were conducted by NSC and SBCTC on the same source data set


Social and economic sciences research center

Differences by

College Type


Some causes for mis match

Some Causes for Mis-Match

  • Students in one system and not the other

  • Different matching protocols

  • FERPA blocks inconsistently applied


Types of issues matching protocols must address why this work isn t easy

Types of Issues Matching Protocols Must Address(why this work isn’t easy)

  • Sandra Day O’Connor

  • Sandra Day O’Conner

  • Sandy O’Connor

  • Sandy O. Connor

  • S. Day Oconner

  • Cassandra D. O Conner


Types of issues matching protocols must address why this work isn t easy1

Types of Issues Matching Protocols Must Address(why this work isn’t easy)

  • Cathy Smith DOB: 1/1/1990

  • Kate Smith DOB: 1/1/1990

  • Kathy Smith DOB: 11/1/1991

  • Kathryn Smith-Jones DOB: 1/2/1990

  • Carrie Smith DOB: 1/1/1990


Types of issues matching protocols must address why this work isn t easy2

Types of Issues Matching Protocols Must Address(why this work isn’t easy)

  • Name changes

  • Initials as a first name

  • Typographical errors (esp. on DOB)

  • Nicknames (displacing the first name)

  • Spaces, Apostrophes, Hyphens

  • Junior, II, etc.


Cultural and other challenges in matching

Cultural (and other) Challenges in Matching

  • Students with multiple first and last names

  • Students with both Asian and western names

  • Students where the last name is written first

  • Cultures where birthdates are meaningless (resulting in a lot of 1/1/YYYY birthdates

  • Twins with similar names and identical DOB


Conclusions

Conclusions

  • NSC missed 14% of enrollments and SBCTC missed 2-3%. If we assume SBCTC’s is a “natural” error rate, then there is either coverage error or match error that accounts for the additional 10+%.

  • The non-match rate was higher for students who did not graduate from high school, those with low high school GPAs, with disabilities, and people who have limited proficiency in English


Thanks to colleagues from the following colleges for their help

Thanks to Colleagues from the Following Colleges for Their Help

Columbia Basin College

Lower Columbia College

Clark College

Tacoma Community College

Everett Community College

Skagit Valley College

Washington State University

SBCTC

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Summary of college reports common reasons for not matching

Summary of College ReportsCommon Reasons for Not Matching

  • Enrolled in GED and ESL programs

  • Penitentiary residents

  • Had not earned college credits

  • Name changes, spelling variations, nicknames, etc.

  • Most should have matched to NSC

  • A much smaller percent should have matched with local sources


Contact information

Contact Information

WSU-SESRC

(360) 586-9292

To view WSU-SESRC research reports on education topics please see our website at:

http://www.sesrc.wsu.edu/k12/


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