Which scale of measurement is being used if assigning numbers based on different professional affiliation (e.g., counselors, social workers, psychologists, psychiatrists) ?

A) Nominal
B) Ordinal
C) Interval
D) Ratio

Professional Affiliation

Membership or association with a formally recognized group or organization related to one's profession or interests.

Scale of Measurement

A system of defining and categorizing the properties of variables, often used in research to quantify data.