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Creating a test blueprint for a progress testing program: A paired-comparisons approach.

HsingChi von Bergmann1, Ruth A Childs2

  • 1a Education Research, Co-Chair of CTEC Assessment and Ed-Tech Subcommittee, Faculty of Dentistry , University of British Columbia , British Columbia , Canada.

Medical Teacher
|November 28, 2017
PubMed
Summary
This summary is machine-generated.

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Developing effective test blueprints relies on expert judgment. This study presents a method for eliciting and combining content expert judgments to create valid test blueprints across disciplines.

Area of Science:

  • Educational Measurement
  • Psychometrics
  • Test Development

Background:

  • Test blueprints are essential for ensuring the validity of assessments.
  • Expert judgment is crucial for defining blueprint categories and their weights.
  • Effective methods for eliciting and combining expert input are vital for high-quality blueprints.

Purpose of the Study:

  • To develop and demonstrate a method for eliciting and combining content expert judgments for test blueprint creation.
  • To refine and confirm blueprint categories and their relative weights through expert consensus.

Main Methods:

  • A workshop involving content experts in dentistry was conducted.
  • Experts discussed, refined, and confirmed categories and their weights.
  • Judgments on category importance were collected anonymously using an audience response system and combined using simple calculation and multidimensional scaling.

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Main Results:

  • Content experts successfully produced a set of relative weights for test blueprint categories.
  • Multidimensional scaling revealed a three-dimensional model offering deeper insights into expert judgment basis.

Conclusions:

  • The demonstrated approach effectively elicits and combines expert judgments for test blueprint development.
  • This methodology is applicable across various academic disciplines for creating robust test blueprints.