A political scientist asks a series of questions to gauge how politically active individuals are. For each of the following items, indicate the level of measurement—nominal, ordinal, or interval:
a. Did you vote in the last election? Yes or No?
b. With which political party do you identify? Democrat, Republican, or Independent?
c. How often do you vote in elections? Never, Rarely, Sometimes, or Always?
d. On a 0–10 scale, how “extreme” do you consider your views? 0 is equivalent to mainstream and 10 is equivalent to radical.
e. What level of education have you attained? Bachelor’s, Master’s, or Doctorate?
f. Do you coach a school sports team? Yes or No?