What type of scale structure is being used in a question that asks the respondent to check either: Male or Female?

What type of scale structure is being used in a question that asks the respondent to check either: Male or Female?

What type of scale structure is being used in a question that asks the respondent to check either: Male or Female? 








A. Ordinal

B. Nominal

C. Ratio

D. Interval

E. Likert








Answer: B