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capture lessons throughout, not only at close

Knowledge Management and Lessons Learned

2

Knowledge Types

Tacit and explicit

OPA

Updated

Organizational Process Assets updated with lessons

Capture Cadence

Capture throughout the project, not just at close

most of what a team knows is below the waterline

Knowledge Iceberg

waterlineEXPLICITdocs · data · manuals~10% of knowledgeTACITexperience · judgment · intuition· "how we really do it"· which stakeholders react badly· which vendors always slip· what the team really thinks· unspoken workarounds~90% of what makes a team effective

how to read this

  • › The tip is explicit knowledge — docs, wikis, dashboards. Easy to transfer, easy to replicate.
  • › The body(underwater) is tacit knowledge — experience, judgment, intuition. Lives in people's heads.
  • › You can't transfer tacit knowledge by writing a wiki. You transfer it through pairing, mentorship, and shadowing.
  • › When a senior team member leaves, 90% of their value walks out the door. Knowledge management is how you keep it.

Exam Traps

Tacit is hard to document, explicit is easy

Tacit knowledge lives in people. Transfer it through pairing and mentorship, not just documents. Explicit knowledge fits in databases.

Lessons learned are captured throughout

Not just at project close. Capture as you go while the context is fresh.

Knowledge transfer is an objective

The exam rewards PMs who plan knowledge transfer deliberately for team turnover and project handoff.

Pair to transfer tacit

Pair work, mentoring, and shadowing move tacit knowledge. Documents alone cannot.

Not a closing activity

Do not wait for project close. Capture as you go.

1
Explicit Is the Written Recipe

Ingredients and steps on a card. Easy to share, easy to follow. Explicit knowledge.

2
Tacit Is Grandma's Hand

The pinch of salt, the way she kneads, the moment she knows the dough is right. That lives in her hands. Tacit.

3
Pair to Transfer

The only way to transfer tacit knowledge is to cook alongside grandma for weeks. That is knowledge management.

Explicit writes, tacit walks. Pair to transfer, capture throughout.
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Reviewed by Chris K., PrepSolution Content Editor, Project Management
Sources verified against PMI 2026 standards
Updated May 2026