Conclusion

User psychology is a fascinating subject, with huge implications for how we create and market our products. The decision scale framework lays out how we can do this: By appealing to the three brains,reducing cost and friction-based obstacles, and smart use of persuasion booster, we can tip the balance in our favor.

Remember though, user psychology is only the tip of the iceberg. Always have a solid foundation in place, by creating great products that solve real problems. With that in place, combined with effective psychological principles, there will always be a market for your product.