Ch1 - Four Types of Measurement Scales

Question 1

nominal scale

Answer 1

consists of a set of categories that have different names
- label and categorize observations, but do not make any quantitive distinctions btw observations

Question 2

ordinal scale

Answer 2

consists of a set of categories that are organized in an ordered sequence
- ranks observations in terms of size or magnitude

Question 3

interval scale

Answer 3

consists of ordered categories that are all intervals of exactly the same size

Question 4

what is reflected in an interval scale?

Answer 4

equal differences btw numbers on scale reflects equal differences in magnitude

Question 5

zero point in an interval scale

Answer 5

Arbitrary and does not indicate a zero amount of variable being measured

Question 6

ratio scale

Answer 6

an interval scale with the additional feature of an absolute zero point

Question 7

what is reflected in a ratio scale?

Answer 7

ratios of numbers reflect ratios of magnitude