Scale measurement
To determine how to accurately measure each construct
Scale measurement refers to the process of assigning numerical values to the properties or characteristics of an object or phenomenon. In other words, it involves defining specific units or intervals to measure a particular quantity or attribute.
There are four main types of scale measurement:
1. Nominal Scale: In this type of scale, data is categorized into distinct labels or categories where they cannot be ranked, and there is no order or magnitude assigned to the labels. Examples of nominal scales include gender, race, and religion.
2. Ordinal Scale: This type of scale involves data that can be ranked in a specific order or hierarchy, but there is no known magnitude or equal distance between the labels. Examples of ordinal scales include the level of education completed, socioeconomic status, and customer satisfaction rating.
3. Interval Scale: An interval scale measurement assigns equal intervals between data points, which means that the distance between two successive values is uniform throughout the scale. Examples of interval scales include temperature, IQ score, and time.
4. Ratio Scale: A ratio scale measurement has all the features of an interval scale but with the addition of an absolute zero point, indicating the total absence of a variable. Examples of ratio scales include height, weight, and income.
Overall, the type of scale measurement used will depend on the nature of the data, the research question, and the intended analysis.
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