ASC’s Blog: Resources on Assessment, Psychometrics, & Edtech
ASC continually posts new resources and articles on our blog, covering industry news, scholarly conferences, and discussions of important psychometric concepts. See the most recent articles in the blog below.
Item Review Workflow for Exam Development
Item review is the process of ensuring that newly-written test questions go through a rigorous peer review, to ensure that…
Likert Scale Items
Likert scales (items) are a type of item used in human psychoeducational assessment, primarily to assess noncognitive constructs. That is,…
What are Stackable Credentials?
Stackable credentials refer to the practice of accumulating a series of credentials such as certifications or microcredentials over time. In today’s…
Test Blueprints & Specifications
Test blueprints, aka test specifications (shortened to “test specs”), are the formalized design of an assessment, test, or exam. This…
Test Publishing Quality Control
Test publishing is the process of preparing computer-based assessments for delivery on an electronic platform. Test publishing is like a…
What is a testlet?
Testlet is a term in educational assessment that refers to a set of test items or questions grouped together on…
What is Job Task Analysis for Certification?
Job Task Analysis (JTA) is an essential step in designing a test to be used in the workforce, such as…
Question and Test Interoperability (QTI)
Question and Test Interoperability® (QTI®) is a set of standards around the format of import/export files for test questions in…
Assessment Systems presents at the Conference on Test Security (COTS)
The Conference on Test Security is a scholarly conference devoted to the topic of security in educational, credentialing, and employment…
Four-Fifths Rule: Fair Employment Selection
The Four-Fifths Rule is a term that refers to a guideline for fairness in hiring practices in the USA. Because…
Classical Test Theory: Item Statistics
Classical Test Theory (CTT) is a psychometric approach to analyzing, improving, scoring, and validating assessments. It is based on relatively…
Content Validity in Assessment
Content validity is an aspect of validity, a term that psychometricians use to refer to evidence that interpretations of test…
Predictive Validity of Test Scores
Predictive Validity is a type of test score validity which evaluates how well a test predicts something in the future,…
Classical Test Theory vs. Item Response Theory
Classical Test Theory and Item Response Theory (CTT & IRT) are the two primary psychometric paradigms. That is, they are…
All Psychometric Models Are Wrong
The British statistician George Box is credited with the quote, “All models are wrong but some are useful.” As psychometricians,…
Best Online Proctoring Providers: The Alternative List You Need
There are many online proctoring providers on the market today, so how can you strategically shop for one? This post…
Digital Badges for Skills and Credentials
Digital badges (aka e-badges) have emerged in today’s digitalized world as a powerful tool for recognizing and showcasing individual’s accomplishments…
Certification Management System
A Certification Management System (CMS) or Credential Management System plays a pivotal role in streamlining the key processes surrounding the…