14 marksmedium
The local government use a questionnaire to find out if local people have benefited from the debt for nature swap.
(i) The method used to select the people was:
- select one street in São Paulo at random
- select every female aged between 20 and 30 in each house on the street.
Describe the limitations of this selection method.
(3 marks)
(ii) One of the questions on the questionnaire is shown.
| question | response | |
|---|---|---|
| yes | no | |
| Did you benefit from the debt for nature swap? |
Describe one reason why yes /no response questions are used in a questionnaire.
(1 mark)