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Body of Knowledge · Glossary

Affinity bias

Favouring people who resemble oneself in evaluation. It is why interview panels should not resemble the manager, and one of the things structured interviewing is designed to counter.

Where the standard develops it

Related terms

Calibration
Aligning evaluation standards across interviewers, managers or organisations so that the same capability or performance earns the same judgment.
Default gradient
The tilt of a distributed organisation toward wherever its decision-makers sit.
First ninety days
Treating a new role as a transition with its own work (learning, an early real contribution, the relationships the role depends on), with explicit outcomes at thirty, sixty and ninety days.
Glue work
The coordinating, documenting and unblocking work that holds a team together and rarely shows up in the artifacts a promotion process values.
Halo effect
One salient positive trait colouring the assessment of unrelated traits.
Location-neutral
Decision-making and information flows designed so that a team four time zones away has the same access as one down the corridor.
Office housework
Necessary, low-visibility tasks such as notes, scheduling and cover, which fall along predictable and inequitable lines unless they are distributed deliberately.
Proximity bias
Opportunity and promotion going to the people a leader sees, regardless of performance.

Engineering Management Academy. (2026). Affinity bias. In Engineering Management Academy Body of Knowledge (Version 3.1, GLO.affinity-bias). https://www.engineeringmanagement.academy/body-of-knowledge/glossary/affinity-bias