Card 03
🐀 🐍 💰
A city is overrun by rats. The Mayor offers $1 for every dead rat tail turned in. What happens to the number of rats in the city?
💭 How to Think About This
This is the problem of Proxy Metrics. A "Tail" is a proxy for a "Dead Rat." But proxies can be gamed.
Predict the outcome:
🤔 Which thinking lens(es) did you use?
Select all the lenses you used:
👨👩👧 For Parents & Teachers
🌱 Everyday Metrics
Parent: "I'll give you $1 for every book you read!"
Kid: (Reads 10 tiny baby books in 5 minutes)
Parent: "That's cheating!"
Kid: "No, you said 'books'! You measured quantity, not quality."