PSYC 421 - Ch. 3 Questions and
answers already passed 2025/2026
The act of assigning numbers or symbols to characteristics of things according to rules is known as
_____. - correct answer ✔measurement
In the context of measurement, a set of numbers (or other symbols) whose properties model empirical
properties of the objects to which the numbers are assigned is known as a _____. - correct answer
✔scale
In the context of measurement, a feature of nominal scales is that they _____. - correct answer
✔involve classification based on one or more distinguishing characteristics
Which of the following statements is true of ordinal scales? - correct answer ✔They imply nothing
about how much greater one ranking is than another.
Identify an accurate statement about interval scales. - correct answer ✔They contain no absolute zero
point.
Identify an accurate statement about measurement. - correct answer ✔The rules used in assigning
numbers are guidelines for representing the magnitude of an object being measured.
True or false: One way of categorizing a scale is according to the type of variable being measured. -
correct answer ✔true
Identify the scale by which all mathematical operations can meaningfully be performed. - correct
answer ✔ratio scale
A set of test scores arrayed for recording or study is known as a _____. - correct answer ✔distribution
answers already passed 2025/2026
The act of assigning numbers or symbols to characteristics of things according to rules is known as
_____. - correct answer ✔measurement
In the context of measurement, a set of numbers (or other symbols) whose properties model empirical
properties of the objects to which the numbers are assigned is known as a _____. - correct answer
✔scale
In the context of measurement, a feature of nominal scales is that they _____. - correct answer
✔involve classification based on one or more distinguishing characteristics
Which of the following statements is true of ordinal scales? - correct answer ✔They imply nothing
about how much greater one ranking is than another.
Identify an accurate statement about interval scales. - correct answer ✔They contain no absolute zero
point.
Identify an accurate statement about measurement. - correct answer ✔The rules used in assigning
numbers are guidelines for representing the magnitude of an object being measured.
True or false: One way of categorizing a scale is according to the type of variable being measured. -
correct answer ✔true
Identify the scale by which all mathematical operations can meaningfully be performed. - correct
answer ✔ratio scale
A set of test scores arrayed for recording or study is known as a _____. - correct answer ✔distribution
