<prompt> Ukuhlaziywa kwezibalo kwesethi yedatha kuvame ukuveza ukuthi izinto ezimbili izakhiwo zabantu ababhekwayo zivame ukuhluka ndawonye, njengokungathi zixhunyiwe. Isibonelo, isifundo semali engenayo yonyaka esibheka nobudala bokufa singathola ukuthi abantu abampofu bavame ukuba nezimpilo ezimfushane kunabantu abacebile. Lezi zinto ezimbili eziguquguqukayo kuthiwa zihlobene; noma kunjalo, kungenzeka noma zingabi yimbangela yomunye nomunye. Izimo zokuhlobana zingabangelwa yinto yesithathu, engacatshangwa ngaphambilini, ebizwa ngokuthi i- lurking variable noma i-confounding variable. Ngenxa yalesi sizathu, ayikho indlela yokufakazela ngokushesha ukuba khona kobudlelwano obungokwemvelo phakathi kwalezi zinto ezimbili eziguquguqukayo. Bheka Ukuhlobana akuvezi imbangela. Umbuzo: Iyiphi indlela yezibalo esetshenziswayo ekuqhathaniseni ukufana phakathi kwesampula?  <response>: Ukuhlaziywa kwezibalo 