<!-- jQuery('#header-subheading').html(""); --> How to measure construct validity When analyzing assessments, validity shows how well an assessment measures what it is designed to measure. There […]
<!-- jQuery('#header-subheading').html(""); --> Understanding convergent and discriminant validity Convergent and discriminant validity are two subtypes of construct validity. This post explains the definitions of these […]
<!-- jQuery('#header-subheading').html(""); --> Posted by John Kleeman, Founder Predictive validity is how well a test score can predict scores in other metrics. The concept features […]
I’m running a session at the Questionmark user conference next month on Item Analysis for Beginners and thought I’d share the answer to an interesting […]
We understand the pressure that association executives face when asked to justify their expenditures. We also understand that a Learning Management System is not a […]
Posted by Julie Delazyn Wendy Lau is a Psychometrician at Pacific Gas and Electric Company (PG&E). She will be leading a discussion at Questionmark Conference […]
Posted by Austin Fossey There are many fantastic books about test development, and there are many standards systems for test development, such as The Standards […]
Posted by Austin Fossey One of our webinar attendees recently emailed me to ask if there is a way to calculate reliability when items are randomly […]
Posted by Austin Fossey I had the privilege of meeting with an organization that is reporting subscores to show how their employees are improving across multiple […]
Posted by Austin Fossey In my last post, I discussed five ways you can limit the use of breached content so that a person with unauthorized […]
Posted by Austin Fossey In an earlier post, Questionmark’s Julie Delazyn listed 11 tips to help prevent cheating. The third item on that list related to […]
Posted by Austin Fossey In my last post, I talked about how item discrimination is the primary statistic used for item selection in classical test theory […]