Ordinal scale
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Ordinal scale
Although a variable coded using an ordinal scale may assign numerical values (e.g.,1 = "Very Poor", 2 = "Poor", 3 = "Average", etc.) there is no assurance that the difference between a score of 1 and 2 means the same thing as the difference between a score of 2 and 3.
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Examples
The following are examples of ordinal scales:
- 5-point Likert scale: strongly disagree (1), disagree (2), neutral (3), agree (4), strongly agree (5)
- order of finish: 1st, 2nd, 3rd, etc.
- IQ score
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Acknowledgements
Portions of this entry were adapted from
- Ordinal Scales at Online Statistics Education: An Interactive Multimedia Course of Study. Project Leader: David M. Lane, Rice University. Retrieved 8 February 2012.