Evidence Centered Design

Evidence Centered Design is a process intended to ensure a rigorous framework for developing assessments that actually measure their intended constructs and yield the evidence needed to support claims drawn from the results. In this collection of materials, you will find documents that further explain Evidence Centered Design and its application, including example questions and evidence, a framework for building assessments, and current constraints and recommendations.

Implications of Evidence Centered Design for Educational Testing

This article, originally published in Educational Measurement: Issues and Practice in 2006, defines Evidence Centered Design and discusses its implications for large-scale tests such as state accountability measures.

Principles of Evidence-Centered Design: Practical Considerations for State Assessment Development Efforts

This PowerPoint covers the principles of Evidence Centered Design and using an evidence-based approach to designing assessments, and walks through the steps of a development framework.  

Framework for Collecting Evidence for Test Validation

The Framework for Collecting Evidence for Test Validation defines categories of evidence and their supporting documentation at each phase of the test development process.  


Evidence-Based Approach: A Comprehensive Framework for Building Summative Assessments

The Framework Summary document outlines the core components of an evidence-based approach to development and accompanying recommended steps.

Key Questions for Test Development Practices

The Key Questions for Test Development Practices document highlights guiding questions and examples of evidence for various categories of reliability and validity concerns.