Entries by Nathan Thompson, PhD

What is the Beuk Compromise?

The Beuk Compromise or Beuk Adjustment is a method for a “reality check” on the results of a modified-Angoff standard setting study.  It is well-known that experts will often overestimate examinee capabilities and choose a cutscore that is too high – in some cases, so high that even the experts themselves would fail the exam!  […]

Educational Assessment Software: Finding the Best Solution

Educational assessment software is a key platform for many types of organizations, from K12 schools to universities to corporations that provide training or certifications. There are many possible solutions in the marketplace, so how can you tell them apart? This blog post provides a list of important functionalities and components that you should consider. Ready […]

What makes a test biased or unfair?

One of the primary goals of psychometrics and assessment research is to ensure that tests, their scores, and interpretations of the scores, are reliable, valid, and fair. The concepts of reliability and validity are discussed quite often and are well-defined, but what do we mean when we say that a test is fair or unfair? […]

Assessment Systems Partners with Sumadi to Revolutionize AI-Based Assessment for Education and Employment

Assessment Systems Corporation (ASC; https://assess.com/) has announced a new partnership with Sumadi (https://sumadi.net/), a leading provider of automated proctoring and exam integrity solutions.  ASC’s cutting-edge assessment platforms will deliver tests with Sumadi’s lockdown browser and proctoring based on artificial intelligence (AI), protecting the validity of exam scores and the investment made in test content.  This […]

What is a T score?

A T Score (sometimes hyphenated T-Score) is a common example of a scaled score in psychometrics and assessment.  A scaled score is simply a way to present scores in a more meaningful and easier-to-digest context, with the benefit of hiding the sometimes obtuse technicalities of psychometrics.  Therefore, a T Score is a standardized way that […]

What is the Positive Manifold?

Positive manifold refers to the fact that scores on cognitive assessment tend to correlate very highly with each other, indicating a common latent dimension that is very strong.  This latent dimension became known as g for general intelligence or general cognitive ability.  This post discusses what the positive manifold is, but since there are MANY other […]

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Certification vs Licensure Exams

Certification vs Licensure exams are two terms that are used quite frequently to refer to examinations that someone has to pass to demonstrate skills in a certain profession or topic.  They are quite similar, and often confused.  This is exacerbated by even more similar terms in the field, such as accreditation, credentialing, certificate, and microcredentials.  […]

Certification Exam Administration and Proctoring

Certification exam administration and proctoring is a crucial component of the professional credentialing process.  Certification exams are expensive to develop well, so an organization wants to protect that investment by delivering the exam with appropriate security so that items are not stolen.  Moreover, there is an obvious incentive for candidates to cheat.  So, a certification […]

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What is an assessment / test battery?

A test battery or assessment battery is a set multiple psychometrically-distinct exams delivered in one administration.  In some cases, these are various tests that are cobbled together for related purposes, such as a psychologist testing a 8 year old child on their intelligence, anxiety, and autism spectrum.  However, in many cases it is a single […]