Which of the following variables does NOT have ratio scale properties?Group of answer choicesJob satisfaction ratingReaction time to respond when a stimulus is presentedDistance (in inches) that two people stand from each other when conversing
Question
Which of the following variables does NOT have ratio scale properties?Group of answer choicesJob satisfaction ratingReaction time to respond when a stimulus is presentedDistance (in inches) that two people stand from each other when conversing
Solution
The variable that does NOT have ratio scale properties is "Job satisfaction rating".
Here's why:
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Ratio scale is a level of measurement that allows comparison of the difference between values and also allows for statements about the ratio of the values. This scale must include the concept of a true zero point, which means the absence of the quantity.
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"Reaction time to respond when a stimulus is presented" and "Distance (in inches) that two people stand from each other when conversing" both have ratio scale properties. They have a clear definition of zero (no reaction time or no distance) and the difference and ratio of measurements is meaningful.
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"Job satisfaction rating", however, does not have a true zero point. A rating of zero does not mean the absence of job satisfaction, but rather is a point on the scale. Therefore, it does not have ratio scale properties, but is instead an example of an ordinal or interval scale.
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