Open-source Online R-based Adaptive Testing Platform
Concerto is an open-source testing platform that allows users to create various online assessments, from simple surveys to complex IRT-based adaptive tests. Being open-source, Concerto is free for academic and commercial use!
A basic adaptive demo test can be found here. Another examples include Music Taste Questionnaire by Arielle Bonneville-Roussy, 100-item Personality Test by Koen de Couck, and 20-item Personality Test by Luning Sun.
Where to start
- Create a free Concerto account on our server. Alternatively, download Concerto and install it on your server.
- Learn how to use Concerto with our tutorials, and then create your own test!
- Need more support? We have various options and services available.
Five reasons to use Concerto:
- Open source - As well as Concerto being free to use, you can host your test on our server, free of charge. Composed of open-source components, Concerto is constantly being updated and improved by a community of users.
- Computerised Adaptive Testing - You can use the powerful R engine to apply virtually any Item Response Theory and Computerised Adaptive Testing model.
- Feedback - Provide your test-takers with an instant response.
- Flexibility - Create an unlimited number of tests; with an unlimited number of questions.
- Concerto events - We hold Concerto training sessions and workshops throughout the world. Visit the Training and Workshops page for more information.