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Why the bad apple effect is real (but the 40% is fake)
Everyone quotes it: one bad apple drops team performance by 30ā40, but does one bad apple really cost your team 40% in performance? Let's fact-check this popular workplace myth.
This video tracks down the origins of that frequently cited statistic to see if it holds up under scrutiny. You will learn why this number is a fabrication, even though the underlying psychological concept of toxic team members remains valid. Essential viewing for managers and team leads tired of repeating unverified workplace psychology stats.
š Full research article: https://www.keca.co.uk/articles/the-bad-apple-effect
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The most quoted stat in workplace psychology isn't in any published paper. Everyone's heard it. One bad apple drops teen performance by 30 to 40 percent. A specific search was made for the paper. It doesn't exist. The figure comes from a 2008 radio interview about a real experiment, not from a peer-reviewed result.
The underlying mechanism is real. Independently proven in the lab. The number just isn't a sitable statistic. If you've quoted it as one, you are quoting an interview. Real story, wrong receipt.