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25. If s/he wanted to use the highest level of measurement possible, the researcher measuring respondent age would
most likely suggest using ____ and a(n) ____ scale.
an open-ended item; interval
an open-ended item; ratio
age range categories; ordinal
age range categories; interval
an open-ended item; nominal
If s/he wanted to use the highest level of measurement possible, the researcher
measuring respondent age would most likely suggest using an open-ended item and a
ratio scale. See 12–1: Scales of Measurement.
12.02 – List the four scales (levels) of measurement.
26. Which of the following is the most complete description of permissible measures of central tendency for an interval
scale?
Arithmetic mean, median, mode
Geometric mean, mode, median
Arithmetic mean, geometric mean
The measures of central tendency for an interval scale are the arithmetic mean, median,
and mode. See 12–1: Scales of Measurement.
12.02 – List the four scales (levels) of measurement.
27. Which of the following about interval scales is FALSE?
An interval scale exhibits the property of order.
Absolute magnitudes cannot be compared using an interval scale because the zero point is established
arbitrarily.
The number of years the respondent has lived at a particular address is an example of an interval scale.