Best Practice General Psychometrics

Understanding Assessment Validity: Content Validity

Posted by Greg Pope In my last post, Understanding Assessment Validity: Criterion Validity, I discussed criterion validity and showed how an organization can go about doing a simple criterion-related validity study with little more than Excel and a smile. In this post I will talk about content validity, what it is... Read More

General Psychometrics

Understanding Assessment Validity: Criterion Validity

Posted by Greg Pope In my last post I discussed three of the traditionally defined types of validity: criterion-related, content-related, and construct-related. Now I will talk about how your organization could undertake a study to investigate and demonstrate criterion-related validity. So just to recap, criterion-related validity deals with whether assessment scores... Read More

Best Practice General Guest Authors Podcasts Psychometrics

Peer Discussion – Hot Topics in Assessment

  Posted By Sarah Elkins During the recent Questionmark European Users Conference in Manchester, Stefanie Moerbeek, Senior Coordinator for Examination Development at EXIN, and Greg Pope, Questionmark's Analytics and Psychometrics Manager, facilitated a best practice session that gave delegates the opportunity to participate in a peer discussion on Hot Topics in... Read More

Best Practice General Psychometrics Standards

Item Analysis Analytics Part 6: Determining Whether a Question Makes the Grade

Posted by Greg Pope In my previous blog post I talked about outcome discrimination and outcome correlation and their relationship to one another. Now I will provide some criteria that can be used for outcome discrimination and outcome correlation coefficients to judge whether a question is making the grade in... Read More