Scales of measurement
A) help determine which statistical procedures are appropriate.
B) can only be determined after the research results have been obtained.
C) allow researchers to use random assignment of participants to different groups.
D) are used to maintain extraneous variables at the same level across different groups.

Question

Quizplus · Accepted Answer

Scales of measurement are important in determining which statistical procedures are appropriate to be used in analyzing the data obtained from research. Different types of data require different statistical tests, and knowing the scale of measurement helps determine the appropriate analysis method.

Scales of Measurement