Complete medical reasoning challenges with the University of Pennsylvania! Each challenge takes less than 2 minutes to complete, and will earn you honoraria based on the accuracy of your responses. The better your diagnoses, the more you earn!

How to Participate:
1. Register using the app.
2. Once registered, we will notify you as challenges become available.
3. Challenges are live, and only run for 2 minutes at a time, so act fast!
4. If you miss a challenge, join the next one!
5. Payments will be disbursed via PayPal to the email you provide.

The live Challenges:
- Each challenge will contain a patient case description
- You will be asked to provide a specific diagnosis probability
- You will have opportunities to revise your initial estimate
- Compete with other physicians to get the most accurate answers
- Honoraria are based on the accuracy of your final answer
- Each challenge takes approximately 2 minutes to complete
- Each challenge offers an honorarium up to $40.
- Join as many challenges as you want!