Prompt library
Copy-ready prompts grounded in the experiments in Why You Do That. Open a category to see every prompt inside it, or search by situation.
Categories
Choose a category to open the full list of prompts for that area.
Decision MakingHelp making, testing, and improving decisions — with the common psychological traps checked automatically.3 prompts — view all →EstimationHow long will this take? How much will it cost? What could go wrong? The psychology of estimation is one of the most reliable sources of expensive mistakes.2 prompts — view all →Managing PeopleThe biases that most distort how we see, evaluate, and develop the people we lead.4 prompts — view all →HiringEvery stage of hiring is a bias trap. The things that feel like good judgment — gut feel, interview performance, cultural fit — are the least reliable predictors of job success.3 prompts — view all →NegotiationThe first number, the fear of walking away, and the sense of unfairness all move negotiation outcomes more than most people realize.2 prompts — view all →Getting Expert AdviceWhen consulting doctors, lawyers, or financial advisors, your biases and theirs both distort the conversation.2 prompts — view all →Planning & ProductivityGetting unstuck, building habits, and scheduling your day around how your brain actually works.3 prompts — view all →Learning & RetentionHow to actually retain what you learn. The most effective methods are well-established and almost universally ignored.2 prompts — view all →Evaluating InformationYour brain seeks confirming evidence and weights vivid examples over base rates. These prompts help you evaluate arguments, claims, and your own reasoning more accurately.2 prompts — view all →Teamwork & Group DynamicsGroups make worse decisions than their best members when social dynamics override independent judgment. Structure is the primary lever.3 prompts — view all →Communication & WritingMost communication failures are prediction failures — we overestimate how clearly we've communicated and underestimate how the other person will receive it.2 prompts — view all →Self-Reflection & Personal GrowthUsing AI as a mirror to see patterns in your own thinking that are invisible from the inside.1 prompts — view all →Sales & InfluenceThe psychology of persuasion, framing, and the conditions under which people say yes.2 prompts — view all →Parenting & EducationHow the psychology of praise, expectations, and failure response applies to raising and teaching children.2 prompts — view all →