A researcher studying children identifies the following age groups: Birth to age 12 months
12 months to 3 years
3 years to 5 years
5 years to 12 years
12 years to 18 years
These categories are not
A) empirical.
B) equal.
C) exclusive.
D) exhaustive.

Question

Quizplus · Accepted Answer

Exclusive means a datum must fit into only one of the categories.In this example,someone age 5 can fit into two categories.Empirical is a term implying some objective reality.The nonequal divisions would only relate to the level of measurement and not pose a problem.The example gives age ranges that exhaust all possibilities for ages of children.

A Researcher Studying Children Identifies the Following Age Groups: Birth