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Anchoring bias

Anchoring bias is a cognitive bias in which an initial piece of information or reference point disproportionately influences subsequent judgments or estimates.

How 2 Manning books explain it

Demand Forecasting Best Practices

Anchoring bias is the tendency for an initial number or idea to influence subsequent estimates or judgments, even when it is unrelated or weakly relevant.

How it is used
Protects demand-planning judgments from early numbers that can distort collaborative forecasts.
How deep it goes
Defines the bias, illustrates its effect, and gives procedural safeguards through independent and anonymous forecasting.
Examples
Uses a wheel-of-fortune estimate, a 20% sales-growth opening claim, emails, colleague remarks, and anonymous S&OP predictions.
What you can do after
Apply it by collecting independent forecasts before discussion and using anonymity when peer pressure persists.

Read how Demand Forecasting Best Practices explains anchoring bias →

Collaborative Software Design: How to facilitate domain modeling decisions

A cognitive bias in which an initial suggestion or piece of information disproportionately influences subsequent judgments and decisions.

How it is used
Improves collaborative modeling by revealing how early suggestions and status differences can steer group decisions.
How deep it goes
Demonstrates the bias through EventStorming and Example Mapping, then gives facilitation practices to limit its influence.
Examples
Uses pivotal-event selection, subgroup convergence, sticky-note ideation, visualized flows, and prepared facilitation nudges.
What you can do after
Practice/perform by detecting anchoring patterns and creating meeting structures that elicit individual ideas before group influence.

Read how Collaborative Software Design: How to facilitate domain modeling decisions explains anchoring bias →

Related concepts

These guides are generated from the text of Manning books by Manning's knowledge graph and link to the sections they draw on. The full books are available on liveBook and at manning.com.