Send the link below via email or IMCopy
Present to your audienceStart remote presentation
- Invited audience members will follow you as you navigate and present
- People invited to a presentation do not need a Prezi account
- This link expires 10 minutes after you close the presentation
- A maximum of 30 users can follow your presentation
- Learn more about this feature in our knowledge base article
Do you really want to delete this prezi?
Neither you, nor the coeditors you shared it with will be able to recover it again.
Make your likes visible on Facebook?
Connect your Facebook account to Prezi and let your likes appear on your timeline.
You can change this under Settings & Account at any time.
Computer Adaptive Practice - EARLI SIG 2012
Transcript of Computer Adaptive Practice - EARLI SIG 2012
University of Amsterdam Based on Elo rating systeem 3 psychometric innovations
Zelf organising system (no pretesting)
Combining speed and accuracy Maris & Van der Maas (in press, Psychometrika)
Probability correct = .75 New Computer Adaptive Practice Classic CAT High Speed High Stakes
scoringrule Speed and accuracy
guessing is punished
Visual game element Valid & Reliable
ratings? Computer Adaptive Practice Validity Reliability Cito correlation Rating growth per grade per domain Repeated measures Mirror item correlation Simulations Problems:
Pre calibration of items
Difficult items: 0.5
No response time Elo rating Player 1 Player 2 http://youtu.be/3wEvwfdpqvg Statistiekfabriek Surf funding TTL
In collaboration with:
UvA (Psychology & POW) Corus Chess Tournament 2008 Validity Simulation Valid & Reliable
ratings! Diagnostics new rating = old rating + weight × (score - predicted score) Filters user 3
item 9 new tag: add update diagnostics table
diagnostic indices user 4
item 2 filter item tags user 4