Can a test using virtual reality effectively supplement or replace a performance test? Hands-on performance testing often ties up equipment and personnel. This costs money and may also limit where and how often the test can be delivered. If VR testing could reliably predict the outcome of the performance test, it could be used as a funnel: candidates who are … Read More
When should you equate test forms?
If the test blueprint is substantially the same and you have simply introduced new questions, use statistical equating to set the passing score.
Lessons from a Teacher-Licensing Crisis in North Carolina
The fact that the state felt a need to look into the question of alignment retroactively is curious.
Standard practice for any professional credentialing exam is to start with alignment, and think about alignment at every step. If you’re not doing that, you’re not doing credentialing right.
How long should a test be?
Public perception is an important factor in deciding how long a test should be. Cost and complexity are other deciding factors. To explore best practices in certification, we looked at specifications for every test accredited by ANSI under ISO/IEC 17024.
How often should we write new test items?
To associate a timetable with the test-maintenance cycle, a test sponsor needs to answer two larger questions: How fast does the knowledge associated with the credential evolve? And how long can an item be in use before you consider it overexposed?
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