Sunk Cost Fallacy
Sticking With It Because You Already Paid
Decision Traps
A person keeps paying for a service they do not use because they already paid for six months and want to “get their money's worth.”
Learn this bugDecision-Making Traps
Decision Traps
Decision traps show up when effort, stress, pride, or too many options start steering the choice instead of the goal.
Why this Category Matters
Spotting the trap early helps you stop pouring more time, money, and energy into a bad path.
Inside this Topic
8 lesson pages and 2 comparison links currently live in this section.
How it Differs
Decision traps focus on action and commitment.
Biases may feed them, but the result is usually a bad next move.
Featured Examples
Planning Fallacy
It Will Take Less Time Than It Will
Decision Traps
A family says the room makeover will take one afternoon. It turns into three days because supplies, cleanup, and fixes were ignored.
Learn this bugGroupthink
The Group Stops Questioning Itself
Decision Traps
A leadership team nods along with a risky launch plan because nobody wants to be the only person slowing the room down.
Learn this bugEscalation of Commitment
Throwing Even More Into A Bad Choice
Decision Traps
A project is already behind and failing, but leadership approves another large budget round mostly to prove the original plan was not a m...
Learn this bugDecision Fatigue
Too Many Choices Drain Good Judgment
Decision Traps
After a long day of constant decisions, a manager approves a weak plan just because it is the fastest way to clear the inbox.
Learn this bugChoice Overload
Too Many Options Make The Choice Worse
Decision Traps
A person opens a streaming service with hundreds of options, spends twenty minutes scrolling, and then gives up or picks something random.
Learn this bugBrowse this topic
IKEA Effect
I Built Part Of It, So I Overvalue It
Decision Traps
A team loves a weak presentation mostly because they spent many late nights building it.
Learn this bugPlanning Fallacy
It Will Take Less Time Than It Will
Decision Traps
A family says the room makeover will take one afternoon. It turns into three days because supplies, cleanup, and fixes were ignored.
Learn this bugEndowment Effect
Once It Is Mine, It Feels More Valuable
Decision Traps
A person wants far more money for their used device than they would ever pay to buy the same used device from someone else.
Learn this bugSunk Cost Fallacy
Sticking With It Because You Already Paid
Decision Traps
A person keeps paying for a service they do not use because they already paid for six months and want to “get their money's worth.”
Learn this bugGroupthink
The Group Stops Questioning Itself
Decision Traps
A leadership team nods along with a risky launch plan because nobody wants to be the only person slowing the room down.
Learn this bugEscalation of Commitment
Throwing Even More Into A Bad Choice
Decision Traps
A project is already behind and failing, but leadership approves another large budget round mostly to prove the original plan was not a m...
Learn this bugDecision Fatigue
Too Many Choices Drain Good Judgment
Decision Traps
After a long day of constant decisions, a manager approves a weak plan just because it is the fastest way to clear the inbox.
Learn this bugChoice Overload
Too Many Options Make The Choice Worse
Decision Traps
A person opens a streaming service with hundreds of options, spends twenty minutes scrolling, and then gives up or picks something random.
Learn this bugCommon Warning Signs
Past cost is treated like a reason to keep going.
Planning stays optimistic even after repeated misses.
Too many choices lead to delay or sloppy picks.
Beginner-Friendly Starting Points
Sticking With It Because You Already Paid — Sunk Cost Fallacy
It Will Take Less Time Than It Will — Planning Fallacy
Too Many Choices Drain Good Judgment — Decision Fatigue
Too Many Options Make The Choice Worse — Choice Overload
Quick Examples
Bad Subscription Trap
Someone keeps paying for a service they do not use because they already paid for months.
Practice this Topic
Use a short quiz or drill to check whether you can tell this category apart from nearby thinking traps.