Isiseko solu phando luphando zizinto ezinefuthe lokwoneliseka kwemivuzo, ke umahluko oxhomekeke kulwaneliseko lomvuzo, kwaye umahluko ngumba ophembelelayo. Imibuzo ekwikhweshine yophando lokwaneliseka kwemivuzo itshintshiwe ngokuthe ngqo ukusuka kwizalathi zenqanaba lesithathu ukufumana ulwazi lokwaneliseka kwemivuzo yomqeshwa. Ikhweshine yenzelwe ngokwenkqubo yesalathiso sokwaneliseka komvuzo womqeshwa, kwaye ikwadibanisa isikali sokwaneliseka kwemivuzo (PSQ) esihlanganiswe nguHeneman & Schwab (1985) kunye neMibuzo yeMibuzo yokuNeliseka kweMisebenzi eMinnesota (MSQ) ukwenza iphepha lemibuzo lokugqibela.