Database Reference
In-Depth Information
Figure A3-2.
Guidelines for Questionnaires
Using Scales in Questionnaires
Scales may be used to measure the attitudes and characteristics of respondents, or have
respondents judge the subject matter in question. There are four forms of measurement
as outlined below:
1.
Nominal Scale:
Used to classify things. A number represents a
choice. One can obtain a total for each classification.
2.
Ordinal Scale:
Similar to nominal, but here the number
implies ordering or ranking.
Example 1:
3.
Interval Scale:
Ordinal with equal intervals.
Example 2:
Usage of a particular software product by number of modules
used (10 means high):
4.
Ratio Scale:
Interval scale with absolute zero.
Example 3:
Distance traveled to obtain a system report:
