In a previous post we examined the nature of the dichotomous question, one with two response options. This format is certainly easier for the respondent to complete. In my many years of data analysis experience I can say that as a researcher it is my preference to collect more data than less and to have the option of collapsing it as I see fit.
What is meant by collapsing data?
If our respondents are asked to write-in their income we will have a series of numerical data points, each with....