Cognitive Biases

CogBias

A practical cognitive-bias site with clear definitions, learning paths, assessments, self-audits, and debiasing tools.

Learning Path

Loss, Ownership, And Omission

A decision path for the biases that make change feel costly, surrender feel painful, and inaction feel cleaner than it is.

7 biases Applied 45 min

By the end of this path

  • Spot when defaults, ownership, and loss language are doing hidden work in a choice.
  • Reframe decisions so staying put and changing course both receive symmetrical scrutiny.
  • Improve live choices about policy, spending, and inherited workflows.

How to study it

Work the pages in order, then loop back and compare which distortions happened earliest, which ones protected the first impression, and which ones interfered with later learning.

Next:

Biases in this path

This is a deliberate sequence, not just a themed pile. Start at the top if the context is new to you.

Loss aversion

The tendency for potential losses to weigh more heavily than equivalent gains when choices are being evaluated.

DecisionAssociationPersonal decisionsForecasting & planning

Endowment effect

The tendency to value something more highly once it is already owned, possessed, or treated as part of the current arrangement.

DecisionInertiaPersonal decisionsMarkets & valuation

Default effect

The tendency to favor the preselected or default option simply because it is already positioned as the path of least resistance.

DecisionAssociationChoice architecturePersonal decisions

Omission bias

The tendency to judge harmful inaction as more acceptable, or less blameworthy, than equally harmful action.

Opinion ReportingInertiaPersonal decisionsPublic policy

Status quo bias

The tendency to prefer the current option, default, or inherited arrangement simply because it is the current option, default, or inherited arrangement.

DecisionInertiaPersonal decisionsTeams & management

Sunk cost effect

The tendency to keep investing in a losing path because of what has already been spent, even when the forward-looking case has weakened.

DecisionInertiaPersonal decisionsTeams & management

Ambiguity effect

The tendency to avoid options when their probabilities are unclear, even if the unclear option may not actually be worse than the familiar one.

DecisionAssociationForecasting & planningPersonal decisions