Do you have an employee whose performance keeps deteriorating—despite your close monitoring? Brace yourself: You may be at fault—by unknowingly triggering the set-up-to-fail syndrome. Perhaps things started off swimmingly. But then something–a missed deadline, a lost client—made you question the person's performance. You began micromanaging him. Suspecting your reduced confidence, he started doubting himself—and stopped giving his best. You viewed his new...