Overview
Bottled water is usually a low-value, high-reversibility decision. Selection Logic therefore recommends using a good-enough heuristic (T2.3) rather than over-investing cognitive budget.[^1]
Theory anchor: T2.3 (Heuristics for low-stakes reversible decisions)
Step 1 → Clarify the use case (M1)
Use M1 Need Clarification:
- everyday hydration vs travel convenience
- infant formula (special requirements)
- sports (electrolytes)
Step 2 → A minimal evaluation frame (M2-lite)
Use a simplified M2 rubric:
| Dimension | What it means | Practical heuristic |
|---|---|---|
| safety/compliance | legitimate supply chain | buy from reputable retailers |
| taste | subjective preference | pick what you’ll actually drink |
| value | price per liter | compare unit price |
| packaging fit | portability, storage | match your routine |
Step 3 → Myth filter (consumer immunity)
Treat persuasive claims as inputs, not conclusions:
- avoid authority bias — Authority bias
- avoid scarcity pressure — Scarcity effect
Standards context (English-world orientation)
Regulatory definitions vary across the U.S./EU/UK and other jurisdictions. Practical takeaway:
- category names differ; verify what the label legally implies where you live;
- compliance is a baseline, not proof of “better for everyone.”[^2]
References
- Kahneman, D. (2011). Thinking, Fast and Slow. Farrar, Straus and Giroux.[source]
- Akerlof, G. A. (1970). The market for “lemons”: Quality uncertainty and the market mechanism. Quarterly Journal of Economics, 84(3), 488–00.[source]