The closed question requires a yes, no answer, the leading question indicates the kind of response expected and an open question is phrased in such a way that the interviewee is encouraged to speak freely and give information about himself/herself.
swali imefungwa inahitaji ndiyo, hakuna jibu, swali kuongoza inaonyesha aina ya majibu inatarajiwa na swali wazi ni msemo katika namna ambayo mhojiwa ni moyo wa kuongea kwa uhuru na kutoa taarifa kuhusu mwenyewe / mwenyewe.