Personality is a complex and multifaceted aspect of human psychology, and there are many different ways to measure and understand it. One of the most widely used and researched models of personality…
Author: Katrina
Demystifying Item Response Theory: What It Is and What It Isn’t
Hello, fellow psychometricians and data enthusiasts! In this post, I wanted to shed some light on a widely-used statistical technique called Item Response Theory (IRT). As someone who has spent countless hours…
Rasch: A Psychometrician’s Secret Weapon for Developing Accurate and Fair Assessments
Have you ever taken a test or questionnaire and wondered how your responses were being analyzed? If you’re interested in psychometrics, you may have heard of the Rasch model, a statistical model…
R: The History Behind the Open Source Programming Language
As an active user of R for various psychometric projects, I am often amazed at the versatility and power of this open-source programming language. But have you ever wondered about the history…
What are norms in psychometrics and what are they good for?
In psychometrics, norms refer to the performance standards or reference points used to compare an individual’s test score with that of a larger group of people who have taken the same test….
Psychometric testing: What are the different types of tests and how are they used?
Psychometric tests are standardized assessments designed to measure a person’s psychological traits, abilities, and characteristics. They are used in a variety of settings, including educational, clinical, and occupational environments, to evaluate cognitive…
The impact of culture and language on psychometric testing: How do these factors affect test results?
The impact of culture and language on psychometric testing is a topic of increasing importance in the field of psychometrics. Culture and language can affect test results in various ways, such as:…
Real-world examples of how psychometrics has been used to improve outcomes in various settings.
In a study conducted by researchers at the University of Houston, a psychometric test was implemented to improve the hiring process at a large retail company. The test was used to measure…
Common misconceptions about psychometric testing: Separating fact from fiction
Psychometric testing is a complex and often misunderstood field. There are many misconceptions about what psychometric testing can and cannot do. Here are some common misconceptions and the facts that dispel them:…
The future of psychometric testing: How are new technologies and techniques changing the field?
The field of psychometric testing is constantly evolving, with new technologies and techniques emerging to improve the accuracy and efficiency of assessments. Here are some ways in which the future of psychometric…