clement13.net
Original photo: Poteau indicateur à un carrefour de sentiers en forêt, avec plusieurs destinations
Description
Poteau indicateur à un carrefour de sentiers en forêt, avec plusieurs destinations
Source
Jacob W. Frank (National Park Service) · original page
Licence
PD Public domain
Original photo, unretouched. The background is a version of it stylised by the site.

Where do biases show up?

Start from the situation you are in and find the biases lying in wait there.

In brief
  • Entry by situation: each heading is a moment of the job (estimating, committee, hiring…).
  • A bias appears everywhere it shows up: anchoring appears in estimating as in negotiation.
  • The yellow bar on each line gives the bias's frequency in that line of work (a judgment, not a measurement).
On this page
  1. Recruitment 12 biases
  2. Annual evaluation 8 biases
  3. Architecture 7 biases
  4. Code review 7 biases
  5. Costing 5 biases
  6. Lessons learned 5 biases
  7. Committees 4 biases
  8. Contractor selection 4 biases
  9. Security 4 biases
  10. Code reviews 3 biases
  11. Feedback 3 biases
  12. Incidents 3 biases
  13. Meetings 3 biases
  14. Migrations 3 biases
  15. Onboarding 3 biases
  16. Post-mortems 3 biases
  17. Relations between teams 3 biases
  18. Technology choice 3 biases
  19. Tool choices 3 biases
  20. Annual reviews 2 biases
  21. Architecture choices 2 biases
  22. Budget 2 biases
  23. Bug diagnosis 2 biases
  24. Client communication 2 biases
  25. Client relationship 2 biases
  26. Crisis management 2 biases
  27. Delegation 2 biases
  28. Design 2 biases
  29. Estimation 2 biases
  30. Incident reviews 2 biases
  31. Innovation 2 biases
  32. Mentoring 2 biases
  33. Method choice 2 biases
  34. Negotiation 2 biases
  35. Overhauls 2 biases
  36. Performance evaluation 2 biases
  37. Promotions 2 biases
  38. Relations with contractors 2 biases
  39. Release planning 2 biases
  40. Requirements gathering 2 biases
  41. Risk management 2 biases
  42. Specifications 2 biases
  43. Sprint commitment 2 biases
  44. Supplier contracts 2 biases
  45. Team organization 2 biases
  46. Technical debt 2 biases
  47. Acceptance testing 1 bias
  48. Alerts 1 bias
  49. Analogy-based costing 1 bias
  50. Application screening 1 bias
  51. Architecture evolution 1 bias
  52. Assignments 1 bias
  53. Attachment to the status quo 1 bias
  54. Audits 1 bias
  55. Backups 1 bias
  56. Benchmarks 1 bias
  57. Bonuses 1 bias
  58. Budgets and resources 1 bias
  59. Business continuity 1 bias
  60. Career and assignments 1 bias
  61. Career management 1 bias
  62. Case studies 1 bias
  63. Change management 1 bias
  64. Choice of methods or technologies 1 bias
  65. Choosing a supplier 1 bias
  66. Choosing a technology 1 bias
  67. Choosing “best practices” 1 bias
  68. Client negotiation 1 bias
  69. Client relations 1 bias
  70. Collective evaluation 1 bias
  71. Communication 1 bias
  72. Comparing offers 1 bias
  73. Component choices 1 bias
  74. Component reuse 1 bias
  75. Conflict management 1 bias
  76. Consulting 1 bias
  77. Content negotiation 1 bias
  78. Contract renewal 1 bias
  79. Cross-functional projects 1 bias
  80. Dashboards 1 bias
  81. Data analysis 1 bias
  82. Decision meetings 1 bias
  83. Default settings 1 bias
  84. Delegated tasks 1 bias
  85. Delivery flow 1 bias
  86. Demos 1 bias
  87. Deployments 1 bias
  88. Design and ergonomics 1 bias
  89. Design review 1 bias
  90. Design reviews 1 bias
  91. DevOps 1 bias
  92. Digital transformation 1 bias
  93. Documentation 1 bias
  94. Dropping a feature 1 bias
  95. End-of-project review 1 bias
  96. Evaluating a person 1 bias
  97. Evaluating past decisions 1 bias
  98. Expert committees 1 bias
  99. Forecast 1 bias
  100. Forecasts 1 bias
  101. Gathering preferences 1 bias
  102. Go / no-go decisions 1 bias
  103. Go / no-go trade-off 1 bias
  104. Handover 1 bias
  105. Hierarchy 1 bias
  106. Hosting 1 bias
  107. Ideation 1 bias
  108. Internal recruitment 1 bias
  109. Investment 1 bias
  110. Investment decisions 1 bias
  111. IT 1 bias
  112. Juries and auditions 1 bias
  113. Leadership teams 1 bias
  114. Maintenance 1 bias
  115. Management 1 bias
  116. Management tools 1 bias
  117. Managerial feedback 1 bias
  118. Managing experts 1 bias
  119. Market research 1 bias
  120. Maturity reviews 1 bias
  121. Method change 1 bias
  122. Metrics 1 bias
  123. Metrics by department 1 bias
  124. Migration to a new product 1 bias
  125. Mockups and prototypes 1 bias
  126. Monitoring 1 bias
  127. Motivation 1 bias
  128. Objectives 1 bias
  129. Open source 1 bias
  130. Operations 1 bias
  131. Planning poker 1 bias
  132. Prioritization 1 bias
  133. Problem solving 1 bias
  134. Progress reports 1 bias
  135. Project communication 1 bias
  136. Project management 1 bias
  137. Project planning 1 bias
  138. Project review 1 bias
  139. Project reviews 1 bias
  140. Project scoping 1 bias
  141. Project steering 1 bias
  142. Projects going off track 1 bias
  143. Promises to the client 1 bias
  144. Promoting an expert into a manager 1 bias
  145. Promotion 1 bias
  146. Proof of concept 1 bias
  147. Quality 1 bias
  148. Quick decisions 1 bias
  149. Recovery plans 1 bias
  150. Recruitment and salaries 1 bias
  151. Relationship with a contractor 1 bias
  152. Release decisions 1 bias
  153. Remote visibility 1 bias
  154. Replacing an existing system 1 bias
  155. Reporting 1 bias
  156. Resource trade-offs 1 bias
  157. Reuse 1 bias
  158. Reviews 1 bias
  159. Rewards and bonuses 1 bias
  160. Risk decisions 1 bias
  161. Sales forecasts 1 bias
  162. Schedule 1 bias
  163. Scope management 1 bias
  164. Security patches 1 bias
  165. Self-assessment 1 bias
  166. Shared objectives 1 bias
  167. Software quality 1 bias
  168. Solution acceptance 1 bias
  169. Splitting into work packages 1 bias
  170. Sponsors 1 bias
  171. Spreadsheets and office tools 1 bias
  172. Steering 1 bias
  173. Steering committees 1 bias
  174. Subcontracting 1 bias
  175. Successive interviews 1 bias
  176. Supplier choice 1 bias
  177. Supplier evaluation 1 bias
  178. Support 1 bias
  179. Talent spotting 1 bias
  180. Task assignment 1 bias
  181. Team building 1 bias
  182. Team climate 1 bias
  183. Team communication 1 bias
  184. Team management 1 bias
  185. Team mergers 1 bias
  186. Team rating 1 bias
  187. Team reorganization 1 bias
  188. Team velocity 1 bias
  189. Teamwork 1 bias
  190. Technical choices 1 bias
  191. Technical conferences 1 bias
  192. Technical debt management 1 bias
  193. Technical decisions 1 bias
  194. Technical trade-offs 1 bias
  195. Tool change 1 bias
  196. Tool misuse 1 bias
  197. Tool selection 1 bias
  198. Training 1 bias
  199. Trends 1 bias
  200. Upskilling 1 bias
  201. Use of AI assistants 1 bias
  202. User interviews 1 bias
  203. Version upgrades 1 bias
  204. Workload assessment 1 bias
  205. Workshops 1 bias
  206. Writing 1 bias

Each bias entry states “where it occurs”. This page turns that information around: for a given situation, which biases should you watch for? The richest situations (those that accumulate the most biases) come first. Type a word (“estimating”, “committee”, “hiring”) to filter.

An entry point, not an inventory

The headings reuse the terms chosen in each entry: the same situation may appear under several similar names. For an overview, see also the map of links and the toolbox.

Recruitment 12 biases#

Annual evaluation 8 biases#

Architecture 7 biases#

Code review 7 biases#

Costing 5 biases#

Lessons learned 5 biases#

Committees 4 biases#

Contractor selection 4 biases#

Security 4 biases#

Code reviews 3 biases#

Feedback 3 biases#

Incidents 3 biases#

Meetings 3 biases#

Migrations 3 biases#

Onboarding 3 biases#

Post-mortems 3 biases#

Relations between teams 3 biases#

Technology choice 3 biases#

Tool choices 3 biases#

Annual reviews 2 biases#

Architecture choices 2 biases#

Budget 2 biases#

Bug diagnosis 2 biases#

Client communication 2 biases#

Client relationship 2 biases#

Crisis management 2 biases#

Delegation 2 biases#

Design 2 biases#

Estimation 2 biases#

Incident reviews 2 biases#

Innovation 2 biases#

Mentoring 2 biases#

Method choice 2 biases#

Negotiation 2 biases#

Overhauls 2 biases#

Performance evaluation 2 biases#

Promotions 2 biases#

Relations with contractors 2 biases#

Release planning 2 biases#

Requirements gathering 2 biases#

Risk management 2 biases#

Specifications 2 biases#

Sprint commitment 2 biases#

Supplier contracts 2 biases#

Team organization 2 biases#

Technical debt 2 biases#

Acceptance testing 1 bias#

Alerts 1 bias#

Analogy-based costing 1 bias#

Application screening 1 bias#

Architecture evolution 1 bias#

Assignments 1 bias#

Attachment to the status quo 1 bias#

Audits 1 bias#

Backups 1 bias#

Benchmarks 1 bias#

Bonuses 1 bias#

Budgets and resources 1 bias#

Business continuity 1 bias#

Career and assignments 1 bias#

Career management 1 bias#

Case studies 1 bias#

Change management 1 bias#

Choice of methods or technologies 1 bias#

Choosing a supplier 1 bias#

Choosing a technology 1 bias#

Choosing “best practices” 1 bias#

Client negotiation 1 bias#

Client relations 1 bias#

Collective evaluation 1 bias#

Communication 1 bias#

Comparing offers 1 bias#

Component choices 1 bias#

Component reuse 1 bias#

Conflict management 1 bias#

Consulting 1 bias#

Content negotiation 1 bias#

Contract renewal 1 bias#

Cross-functional projects 1 bias#

Dashboards 1 bias#

Data analysis 1 bias#

Decision meetings 1 bias#

Default settings 1 bias#

Delegated tasks 1 bias#

Delivery flow 1 bias#

Demos 1 bias#

Deployments 1 bias#

Design and ergonomics 1 bias#

Design review 1 bias#

Design reviews 1 bias#

DevOps 1 bias#

Digital transformation 1 bias#

Documentation 1 bias#

Dropping a feature 1 bias#

End-of-project review 1 bias#

Evaluating a person 1 bias#

Evaluating past decisions 1 bias#

Expert committees 1 bias#

Forecast 1 bias#

Forecasts 1 bias#

Gathering preferences 1 bias#

Go / no-go decisions 1 bias#

Go / no-go trade-off 1 bias#

Handover 1 bias#

Hierarchy 1 bias#

Hosting 1 bias#

Ideation 1 bias#

Internal recruitment 1 bias#

Investment 1 bias#

Investment decisions 1 bias#

IT 1 bias#

Juries and auditions 1 bias#

Leadership teams 1 bias#

Maintenance 1 bias#

Management 1 bias#

Management tools 1 bias#

Managerial feedback 1 bias#

Managing experts 1 bias#

Market research 1 bias#

Maturity reviews 1 bias#

Method change 1 bias#

Metrics 1 bias#

Metrics by department 1 bias#

Migration to a new product 1 bias#

Mockups and prototypes 1 bias#

Monitoring 1 bias#

Motivation 1 bias#

Objectives 1 bias#

Open source 1 bias#

Operations 1 bias#

Planning poker 1 bias#

Prioritization 1 bias#

Problem solving 1 bias#

Progress reports 1 bias#

Project communication 1 bias#

Project management 1 bias#

Project planning 1 bias#

Project review 1 bias#

Project reviews 1 bias#

Project scoping 1 bias#

Project steering 1 bias#

Projects going off track 1 bias#

Promises to the client 1 bias#

Promoting an expert into a manager 1 bias#

Promotion 1 bias#

Proof of concept 1 bias#

Quality 1 bias#

Quick decisions 1 bias#

Recovery plans 1 bias#

Recruitment and salaries 1 bias#

Relationship with a contractor 1 bias#

Release decisions 1 bias#

Remote visibility 1 bias#

Replacing an existing system 1 bias#

Reporting 1 bias#

Resource trade-offs 1 bias#

Reuse 1 bias#

Reviews 1 bias#

Rewards and bonuses 1 bias#

Risk decisions 1 bias#

Sales forecasts 1 bias#

Schedule 1 bias#

Scope management 1 bias#

Security patches 1 bias#

Self-assessment 1 bias#

Shared objectives 1 bias#

Software quality 1 bias#

Solution acceptance 1 bias#

Splitting into work packages 1 bias#

Sponsors 1 bias#

Spreadsheets and office tools 1 bias#

Steering 1 bias#

Steering committees 1 bias#

Subcontracting 1 bias#

Successive interviews 1 bias#

Supplier choice 1 bias#

Supplier evaluation 1 bias#

Support 1 bias#

Talent spotting 1 bias#

Task assignment 1 bias#

Team building 1 bias#

Team climate 1 bias#

Team communication 1 bias#

Team management 1 bias#

Team mergers 1 bias#

Team rating 1 bias#

Team reorganization 1 bias#

Team velocity 1 bias#

Teamwork 1 bias#

Technical choices 1 bias#

Technical conferences 1 bias#

Technical debt management 1 bias#

Technical decisions 1 bias#

Technical trade-offs 1 bias#

Tool change 1 bias#

Tool misuse 1 bias#

Tool selection 1 bias#

Training 1 bias#

Upskilling 1 bias#

Use of AI assistants 1 bias#

User interviews 1 bias#

Version upgrades 1 bias#

Workload assessment 1 bias#

Workshops 1 bias#

Writing 1 bias#