Basically, you don’t want to wait to code until after you administer your questionnaire. Place the coded within the questionnaire to make sure that the potential values, if there are values to assign, are useful and sensible. Also consider:
-Assigning the number 9 for “Don’t know” responses
- Leaving space for “Other” responses to be filled in. Then group these responses and apply a code after the data is collected.
- Assigning a value for any question that does not get a response, for example “99”. (Leaving a blank space can affect your programme outputs)
Key words: survey, questionnaire, thesis, quantitative research.