What is Evidence-Centered Design?
assessment design (ECD) framework was developed at Educational
Testing Service by Mislevy, Steinberg, and Almond. The ECD
framework explicates the interrelationships among substantive
arguments, assessment designs, and operational processes.
What are Large-Scale Assessments?
Large-scale assessments are designed for large groups of examinees, typically numbering in the
thousands, and often administered to make high-stakes decisions.
In this project, we are
focusing on the science part of
the Minnesota Comprehensive Assessments—Series II (MCA-IIs), state tests that help districts measure student progress toward Minnesota's academic standards.
How is ECD Applied in ECDLarge?
The ECDLarge project aims to improve the approach to developing quality assessments
of large-scale assessments by combining developments in cognitive
psychology with advances in
measurement theory and technology.
ECDLarge brings together research expertise from four outstanding
educational organizations: (Learn more)
ECDLarge is supported by NSF grant DRL-0733172 (An Application of Evidence-centered Design in Large Scale Assessment). Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.