When You Want to Know Whether Teachers, School Principals, and School

Multiple Choice

When you want to know whether teachers, school Principals, and school psychologists differ in their level of commitment to test based performance, and if you have measured their commitment at the ordinal level, you have:

A) a nominal variable with three categories of an ordinal variable
B) an ordinal variable with three categories and an ordinal variable
C) an interval variable with three categories and an ordinal variable
D) a nominal variable with three categories and an ordinal variable