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Research Topics:
Test Development

Valid and reliable assessments result from the application of systematic development efforts by both content experts and psychometricians.

Overview

Valid and reliable assessments result from the application of systematic development efforts by both content experts and psychometricians. This is a multistep process that includes carefully defining the construct to be measured, developing a test blueprint aligned with the purpose of the assessment, thoughtful application of the art and science of item writing, and empirical data collection to support item and test validity. Research in test development is concerned with improved methods to enhance the validity and reliability of assessments.

Featured Article

We provide information that serves as a starting point and as a continuing reference for school board members, educators, and policy leaders for guidance.

Accuracy of Test Scores: Why IRT Models Matter

This paper describes different Item Response Theory (IRT) models for both multiple- choice items and constructed-response items. 

Developing Innovative Online Performance Task Types To Assess Language Proficiency For Success In 21st Century Content Learning

How to help ELLs to achieve academic success while they are also acquiring English as a second language has become an increasingly important issue on the U.S. K-12 educational agenda. Meanwhile, the concept of literacy is changing in the 21st century with advances of technology, so is the way of learning and working. These changes pose challenges to traditional paper-and-pencil testing practices.

 

Understanding Assessment

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