Sarah Is Designing an International Study of the Effect of Age

Multiple Choice

Sarah is designing an international study of the effect of age composition on voting behaviors.After deciding to compare older,middle-aged,and young nations on rates of voting in national-level elections,she will assign values to the age composition variable,categorizing them by those who have at least 12% of residents who are over 64,those who have at least 35% of residents who are under 15,and those who have neither a high number of young or old residents.In assigning these values,Sarah is choosing

A) measurements.
B) conceptualizations.
C) indicators.
D) dimensions.