Concerto Platform
Open-Source Online Adaptive Testing.
Overview
Developed by the University of Cambridge, Concerto is a free, open-source platform that allows researchers, educators, and developers to build and deploy a wide range of online assessments, from simple surveys to complex, IRT-based computer-adaptive tests (CATs). It integrates the statistical power of R with a web-based interface.
✨ Key Features
- Open-Source and Free
- Computer-Adaptive Testing (CAT) engine
- Integration with R for statistical processing
- Flexible test design and item banking
- Customizable feedback and reports
🎯 Key Differentiators
- Completely free and open-source.
- Direct integration with the R statistical environment.
- Backed by the University of Cambridge Psychometrics Centre.
Unique Value: Democratizes adaptive testing by providing a powerful, flexible, and completely free platform, removing the cost barrier for innovation in assessment.
🎯 Use Cases (4)
✅ Best For
- Used in various academic and research settings to develop and field innovative adaptive assessments.
💡 Check With Vendor
Verify these considerations match your specific requirements:
- Turnkey, out-of-the-box solution for a K-12 school district without technical expertise.
🏆 Alternatives
Offers far more flexibility and control than commercial platforms, as users can directly implement and modify the underlying statistical models in R.
💻 Platforms
🔌 Integrations
🛟 Support Options
- ✓ Email Support
- ✓ Dedicated Support (Paid Support Contracts tier)
🔒 Compliance & Security
💰 Pricing
Free tier: The software is entirely free. Costs are associated with hosting, support, and development.
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