Measurement & Psychometrics

Finely tuned assessment instruments require close technical monitoring and precise calibration. Our measurement and psychometrics teams work tirelessly to deliver valid and reliable assessments, stable measurement scales, and precise results. Our experts drive innovation, exploring new ways to more authentically measure learning and empower educators to better meet the needs of every student.


Supporting school and district assessments

Our school and district psychometric solutions team maintains the reliability and validity of MAP® Suite, one of the most trusted assessments in K–12. In addition to analyzing questions, tests, and measurement scales, this team provides valuable contextual information for assessment results, including comparability studies to other assessment tools and unmatched normative data.

Supporting school and district assessments

Our school and district psychometric solutions team maintains the reliability and validity of MAP® Suite, one of the most trusted assessments in K–12. In addition to analyzing questions, tests, and measurement scales, this team provides valuable contextual information for assessment results, including comparability studies to other assessment tools and unmatched normative data.

Evolving state assessments

Our state psychometric and learning science team works to support high-impact changes to state tests, pursuing the promise of high-quality accountability assessment that also delivers meaningful instructional utility to teachers, students, and families.

Evolving state assessments

Our state psychometric and learning science team works to support high-impact changes to state tests, pursuing the promise of high-quality accountability assessment that also delivers meaningful instructional utility to teachers, students, and families.


Meet the experts

Patrick Meyer

Senior Director, Psychometric Solutions

Ann Hu

Manager, Psychometric Solutions

Mary Ann Simpson

Manager, Psychometric Solutions

Jing Chen

Senior Psychometrician

Garron Gianopulos

Senior Psychometrician

Wei He

Principal Research Scientist

Sukkeun Im

Senior Psychometrician

Jungnam Kim

Senior Psychometrician

Jonghwan (Jay) Lee

Senior Psychometrician

Xueming (Sylvia) Li

Psychometrician

Shudong Wang

Senior Psychometrician

Kang Xue

Psychometrician

Publications by the Measurement & Psychometrics team