P2 · CHAPTER 10 · 90-DAY EXPERIMENT

90-day experiment for “The Half-Life of Skills

Test “The Half-Life of Skills” through a small, reversible 90-day experiment. The objective is evidence and reusable learning, not proving the book right.

WORKBOOK SEQUENCE

  1. 01

    State the practical hypothesis suggested by: Some skills are expiring faster than ever. Others are appreciating just as fast. Knowing which is everything.

  2. 02

    Choose one observable signal from each theme: The Shelf Life of Competence; What Models Are Absorbing; Depreciation Is Not Disappearance; The Skills That Appreciate; Taste Is a Form of Compression; Judgment Under Uncertainty; Problem Framing Is Leverage; Orchestration Is the New Managerial Skill; Rebalancing the Skill Portfolio; Learning at the New Clock Speed; The New Apprenticeship; The Human Premium; A Practical Curriculum for Being Early; The Durable Edge.

  3. 03

    Set a baseline, weekly action, success threshold, cost ceiling and explicit stop condition.

  4. 04

    Review at days 30, 60 and 90; preserve useful examples, distribution or evaluation assets even if the hypothesis fails.

EXPECTED OUTPUT

Leave with a decision artifact.

A 90-day experiment brief with baseline, weekly cadence, thresholds, checkpoints and a final keep/change/stop decision.

Other ways to work this chapter

Same lens, adjacent chapters