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R0007/2026-03-19/C006

Claim: Felps, Mitchell, and Byington demonstrated experimentally that a single negative team member reduces team performance by 30-40%.

BLUF: Confirmed. Felps, Mitchell, and Byington (2006) studied 40 groups with planted actors displaying toxic behaviors (jerk, slacker, pessimist) and found a single bad apple reduces team performance by 30-40%. This finding has been widely cited and reported.

Probability: Almost certain (95-99%) | Confidence: High


Summary

Entity Description
Claim Definition Claim text, scope, status
Assessment Full analytical product with reasoning chain
ACH Matrix Evidence x hypotheses diagnosticity analysis
Self-Audit ROBIS-adapted 4-domain process audit

Hypotheses

ID Hypothesis Status
H1 Claim is accurate as stated Supported
H2 Partially correct with caveats Eliminated
H3 Claim is materially wrong Eliminated

Searches

ID Target Results Selected
S01 Felps Mitchell Byington bad apple team performance 10 3

Sources

Source Description Reliability Relevance
SRC01 Felps et al. (2006) Research in Organizational Behavior High High