Control groups are so important that the CEO of a major casino company has said that there are only three ways that employees can be fired from his company: for theft, for sexual harassment, or for running an experiment without a control group (Schrage 2011).
Vikundi vya udhibiti ni muhimu sana hivi kwamba Mkurugenzi Mtendaji wa kampuni kubwa ya kasino amesema kwamba kuna njia tatu pekee ambazo wafanyakazi wanaweza kufukuzwa kutoka kwa kampuni yake: kwa wizi, kwa unyanyasaji wa kijinsia, au kwa kuendesha majaribio bila kikundi cha udhibiti (Schrage 2011) .