1) Closed or structured questionnaire
The questions have a specific way of responding to eg .sometimes boxes for ticks.
2) Open questionnaires
These questions are posed and respondents are to respond to them in any way
3) Pictorial questions
These are diagrams, or photographs which are presented to respondents which he is to observe and answer.
Kavungya answered the question on June 7, 2019 at 08:17