In her study, Rachel uses the following measure:
The current President is:
Angry 1 2 3 4 5 6 7 Cheerful
Annoyed 1 2 3 4 5 6 7 Gratified
Troubled 1 2 3 4 5 6 7 Satisfied
The answers for each of these three items are added together to create a single score Rachel calls "attitude towards the president." What level of variable is Rachel using in her study?

Question

Quizplus · Accepted Answer

Rachel's measure involves adding together scores on a scale from 1 to 7 for different items, which implies that the distances between the points on the scale are equal. This characteristic is indicative of interval level measurement, where the focus is on the order of the items and the exact differences between them, but there is no true zero point.

In Her Study, Rachel Uses the Following Measure