Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Rasch simultaneous vertical equating for measuring reading growth.

Ong Kim Lee1

  • 1National Institute of Education, Nanyang Technological University, Singapore. oklee@nie.edu.sg

Journal of Applied Measurement
|April 18, 2003
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same journal

Development of a Short Form of the CPAI-A (Form B) with Rasch Analyses.

Journal of applied measurement·2021
Same journal

Evaluating the Impact of Multidimensionality on Type I and Type II Error Rates using the Q-Index Item Fit Statistic for the Rasch Model.

Journal of applied measurement·2021
Same journal

Diabetes Distress in Emerging Adults: Refining the Problem Areas in Diabetes-Emerging Adult Version using Rasch Analysis.

Journal of applied measurement·2021
Same journal

A Psychometric Replication of Fan (1998) Item Response Theory and Classical Test Theory: An Empirical Comparison of their Item/Person Statistics.

Journal of applied measurement·2021
Same journal

The Development of the Mental Toughness Situational Judgment Test: A Novel Approach to Assessing Mental Toughness.

Journal of applied measurement·2021
Same journal

Using the Rasch Model to Measure Comprehension of Fraction Addition.

Journal of applied measurement·2021

Grade-equivalent equating for measuring student growth is less reliable than the Rasch Simultaneous Vertical Equating procedure. Rasch measures show consistent student ability spread over time, unlike grade-equivalents.

Area of Science:

  • Educational Measurement
  • Psychometrics
  • Longitudinal Studies

Background:

  • Longitudinal measurement of ability growth necessitates consistent measurement tools across time points.
  • Test equating is crucial for maintaining measurement consistency in longitudinal studies.
  • Grade-equivalent (GE) is a commonly used but potentially flawed method for test equating.

Purpose of the Study:

  • To compare the effectiveness of grade-equivalents with the Rasch Simultaneous Vertical Equating (RSVE) procedure for measuring children's reading ability growth.
  • To evaluate the consistency and spread of student ability measures over time using both equating methods.

Main Methods:

  • The study employed the Rasch Simultaneous Vertical Equating procedure.
  • Student responses from ITBS Form 7 and CPS90/CPS91 tests were analyzed.

Related Experiment Videos

  • A longitudinal dataset of 5,623 students tracked over eight years was utilized.

    • Main Results:

    • Grade-equivalents exhibited greater discrepancies between different test forms compared to ability measures derived from RSVE.
    • The spread of students' grade-equivalents widened significantly over the eight-year period.
    • The standard deviations of student ability measures obtained via RSVE remained relatively constant over the same period.

    Conclusions:

    • The Rasch Simultaneous Vertical Equating procedure offers a more stable and consistent method for measuring longitudinal ability growth than traditional grade-equivalents.
    • Grade-equivalents may provide a misleading representation of student growth due to increasing variability over time.