Location of judgmental bias / Sources of bias

Information acquisition

Processing

Output

Feedback

Availability

Inconsistency

Response mode:

Outcome irrelevant learning structures

Selective perception

Conservatism

Question format

Misperception of chance (e. g. Gambler’s fallacy)

Frequency

Non-linear extrapolation

Scale effects

Success/ failure attribution

‚Heuristics’ used to reduce mental effort:

Wishful thinking

Logical fallacies in recall

Concrete information (ignoring base-rate, or prior information)

Habit/’rules of thumb’

Illusion of control

Hindsight bias

Illusory correlation

Anchoring and adjustment

Data presentation:

- Order effects (primacy/ recency)

- Mode of presentation

- Mixture of types of information

- Logical data display

- Context effects on perceived variability

Representativeness

Framing

Law of small numbers

Justifiability

Regression bias

‚Best guess’ strategy

The decision environment:

Complexity

Emotional stress

Social pressure

Information sources:

Consistency of information sources