Class 7 · CBSE AI · Strand A — Systems Thinking
Unintended consequences of AI — the Cobra Effect
Why a well-meant system can cause the exact problem it was meant to fix. The Cobra Effect, for Class 7.
Class 7 · CBSE AI · Strand A — Systems Thinking
Why a well-meant system can cause the exact problem it was meant to fix. The Cobra Effect, for Class 7.
Mongoose and cobras in colonial India
The British colonial government in Delhi wanted to reduce cobras, so they offered a cash reward for every dead cobra brought in. Brilliant idea — except people started breeding cobras at home to earn the reward. When the policy ended, breeders released their cobras into the wild. There were more cobras than before. This is now called the Cobra Effect — the perfect example of an unintended consequence from a well-meaning intervention.
Irrigation canal
A new irrigation canal is built to help farmers in dry areas. Unintended consequence: waterlogging in nearby fields raises the water table, which brings salt to the surface and makes fertile soil barren within a decade. The same water that saved one farmer ruined another.
Every Dhee Learning session for this concept follows three stages. We share the questions Dhee actually asks, so you can hear what a session sounds like.
Stage 1 — Surface
A fitness app rewards a daily 10,000-step streak, expecting only healthier users. Name one thing that could go wrong that the team never planned — and why might it happen?
Rote answer
"Something goes wrong that the makers did not want."
Understood
"The reward makes the streak number the goal, so some users chase the number instead of real fitness — faking steps or skipping sleep. The app works perfectly, but the plan met real human habits nobody modelled, and a harm nobody planned appears."
Stage 2 — Reasoning
The streak feature launches, and six months later many kids are faking steps and losing sleep. Trace how a reward meant to make users healthier ended up harming them.
Follow-up Dhee may use: If you had been on the design team, what one question in a pre-mortem could have surfaced this problem before launch?
Stage 3 — Application
A shopping app is about to launch 'refer a friend — you both get ₹100.' Do a pre-mortem: assume it's a year later and the feature caused a serious unplanned problem. What might it be, and what design change would prevent it?
Misconception Dhee watches for: Child confuses an intended-but-modest outcome (e.g., only a few referrals) with a true unintended consequence (people creating fake accounts to farm the reward).
Dhee turns this concept into a short spoken lesson — teaching, listening, and probing — so your child builds the idea themselves.
Why a well-meant system can cause the exact problem it was meant to fix. The Cobra Effect, for Class 7.
Unintended consequences only happen due to negligence or bad intentions — well-designed systems avoid them.
Dhee opens with a question — for example: "A fitness app rewards a daily 10,000-step streak, expecting only healthier users. Name one thing that could go wrong that the team never planned — and why might it happen?" — listens to your child's answer, then probes the reasoning behind it. The session ends when the child can apply the idea to a brand-new situation, not just recall it.