Team Performance Science Guide · Part VII · evidence chain
Performance Science Library
Every evidence pill in Performix traces back through this library. Source papers and books are ingested by the Research-to-Model Engine; constructs, validated measures, and survey items are derived from them and weighted by evidence strength.
59 sources
72 findings
3 constructs
4 survey items
last update 2026-05-23
BOOK
Edmondson, A. C. (2018). The Fearless Organization: Creating Psychological Safety in the Workplace for Learning, Innovation, and Growth. Hoboken, NJ: Wiley.
Ingested 2026-03-14 · 5 findings extracted · 3 constructs derived · 4 survey items derived
Cross-functional teams require psychological safety and clear handoff norms to maintain response time as complexity grows.
pp. 87–104strong
Constructs derived (3)
Cross-functional response timeSUPPORT
Survey items (4 · in active rotation)
This team can get answers from other teams quickly when blocked.
When this team needs work from a partner team, the work usually arrives in time.
Cross-team commitments to this team are reliably met.
When a cross-team handoff is delayed, this team knows who to escalate to.
Evidence weight: 0.84 · IRT difficulty range: -1.2 to +0.6 · last calibration: 2026-05-23
Handoff clarityALIGNMENT
Cross-team psychological safetyCAPABILITY
Speaking-up behavior is suppressed when leaders interpret dissent as defection.
pp. 41–58strong
Team learning is bottlenecked by the highest-status member's tolerance for being wrong.
pp. 162–181moderate
Psychological safety and accountability are conjunctive; either alone reduces performance.
pp. 31–40strong
Hybrid-team safety degrades when synchronous-only norms persist.
pp. 218–234preliminary