

Unit
6: Business Decision Making - Sources for the collection of data
Questionnaire design
Purpose of a Questionnaire
A questionnaire is simply a set of questions and its purpose is
to obtain information or data.
It is an imposition and requires the goodwill of the respondent
for its success.
Constructing Questionnaires
Object and Authority
- what is the enquiry trying to establish and why is it trying
to establish it
- example: "This questionnaire is trying to establish the extent
to which the recent flu virus and spread within the area. From
the results it will be determined whether or not to offer the
flu vaccine for free next winter"
Instructions
- How to Complete
- When to Complete
- How to return the Questionnaire
Details of Respondent
Personal questions can be a sensitive area, avoid or restrict personal details.
There are also Data Protection Act issues as well when dealing with personal data.
The Body of the Enquiry
Don'ts
- multiple questions
- unfamiliar words
- multiple instructions
- calculations
- relying on memory
- inappropriate
- unnecessary
- tactless and offensive
- ambiguous
- biased questions
The Body of the Enquiry
- length of questions
- sequence of questions
- units to be used in answers
Surveys
- Pilot Survey
- Panel Survey
- Longitudinal Survey
- Market Research Survey
- Public Opinion Polls