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Psychometric Solutions

We help customers to build innovative, intelligent, and individualized solutions for their educational and psychological testing programs.

Innovative

The power of innovation can never be overstated. We strive to provide innovative solutions to complex problems through thinking both outside the box and inside the box.

Intelligent

Artificial intelligence is considered the new electricity; and data the new gold. We strive to utilize the cutting-edge technology to help you make better decisions.

Individualized

Everyone is different; and everyone’s needs are different. We strive to provide customized solutions to meet your unique needs – large or small, we do them all.

Examples of

Our Services

This is a sample of services we provide. Let us know your unique needs and we will customize the solutions for you.

Psychometric Analyses

We are psychometricians with experience in large-scale testing programs. We help clients to design new testing programs, to maintain current testing programs, and to validate psychometric analyses. These analyses include, but not limited to, classical testing theory, item response theory, item analysis, form analysis, calibration, equating, scaling, norming, DIF, reliability, and validity.

Standardization

We help clients to standardize their psychometric processes. A standardized process enhances reliability and protects quality; it can also help you to get ready for scaling your business right away.

Automation

We are psychometrical programmers and we are passionate about automation. We help clients to improve their psychometric processes through automation. A lot of psychometric processes are repetitive; and automating these processes helps you save much needed resources for growing your business.

About

Who We Are

iTesting Service, LLC is founded by Dr. Zhongmin Cui, an expert and leader in the field of educational and psychological measurement. With decades of experience in the industry, we strive to help customers to build innovative, intelligent, and individualized solutions for their testing programs.

Trained in both engineering and psychometrics, Dr. Cui was a director of Psychometric Research at ACT, providing psychometric oversight for large-scale assessment programs (for example, PreACT and ACT). He is passionate about standardization and automation and has initiated and implemented improvements of numerous operational processes.

Dr. Cui also has extensive experience in psychometric research for almost two decades. With a wide range of research interests, he has been conducting research on such topics as test security, linking and equating, classical testing theory (CTT), item response theory (IRT), computerized adaptive testing (CAT), and artificial intelligence / machine learning (AI/ML). Dr. Cui has authored or co-authored over 60 publications, presentations, and computer programs. He is resourceful and innovative; and he enjoys the process of finding solutions. His innovative solutions have led to four pending U.S. patents.

In addition, Dr. Cui has been actively serving on committees of professional organizations and editorial boards of journals. His roles include annual program chair, committee member, associate editor, visual editor, and editorial board member. His most recent appointment is the incoming editor-in-chief of Educational Measurement: Issues and Practice – one of the flagship journals of National Council on Measurement in Education (NCME).

Zhongmin is the best colleague/psychometrician/manager you can think of, smart, caring, strategic thinking, solid technical and communication skills.

Integrity, innovative, always delivers, helpful, brings out the best in others, independent, team player, brilliant insight, fantastic attitude, fun

Zhongmin is one of the best measurement professionals that I have met in my career. There is no doubt in my mind about Zhongmin’s broad and in-depth knowledge and extensive expertise in psychometrics, statistics, and computer programming.