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Item Analysis Report – High-Low Discrimination

In our discussion about correlational item discrimination, I mentioned that there are several other ways to quantify discrimination. One of the simpl…
Item Analysis Report – High-Low Discrimination

Item Analysis Report – Item-Total Correlation Discrimination

Item Analysis Report – Item-Total Correlation Discrimination

Item Analysis Report – Item Difficulty Index

In classical test theory, a common item statistic is the item’s difficulty index, or “p value.” Given many psychometricians’ notoriously poor spellin…
Item Analysis Report – Item Difficulty Index

11 Tips to help prevent cheating and ensure test security

11 Tips to help prevent cheating and ensure test security

Standard Setting: Angoff Method Considerations

Standard Setting: Angoff Method Considerations

Stimulus and Choices — Item Writing Guide, Part 2

Stimulus and Choices — Item Writing Guide, Part 2

Hard and soft defences in our castle in the cloud

How do you communicate the security of a service like Questionmark OnDemand? I find the concept of a castle useful in explaining security.
Hard and soft defences in our castle in the cloud

Performance testing versus knowledge testing

Performance testing versus knowledge testing

Only 20% of Learning Techniques Have High Utility

Only 20% of Learning Techniques Have High Utility