A researcher who studies cognitive development during childhood decided to use the results of pupils' school exams to assess the stage of cognitive development. The number of wrong answers in the exams represents a measurement, the scale of which is:
A) nominal.
B) ordinal.
C) interval.
D) ratio.

Question

Quizplus · Accepted Answer

The number of wrong answers in the exams represents a measurement on an ordinal scale because the data can be ranked (from the lowest number of wrong answers to the highest number of wrong answers), but the differences between the ranks are not necessarily equal.

A Researcher Who Studies Cognitive Development During Childhood Decided to Use