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Can ordinal data be scale?
Ordinal data is a kind of categorical data with a set order or scale to it. For example, ordinal data is said to have been collected when a responder inputs his/her financial happiness level on a scale of 1-10. In ordinal data, there is no standard scale on which the difference in each score is measured.
What is a good example of an ordinal scale?
Some examples of variables that use ordinal scales would be movie ratings, political affiliation, military rank, etc. One example of an ordinal scale could be “movie ratings”. For example, students in a class could rate a movie on the scale below.
What are examples of ordinal measurement?
Examples of ordinal variables include: socio economic status (“low income”,”middle income”,”high income”), education level (“high school”,”BS”,”MS”,”PhD”), income level (“less than 50K”, “50K-100K”, “over 100K”), satisfaction rating (“extremely dislike”, “dislike”, “neutral”, “like”, “extremely like”).
Can I combine several ordinal questions to create a performance index?
Creating a sort of composite measure, where all dimensions of performance are aggregated together so as to have one composite variable of “performance”. I could then use this composite variable as the dependent variable (perceptions of performance). Combining 20 of these questions to create a performance index.
Can you add or subtract from an ordinal variable?
In general case one cannot add nor subtract values measured on ordinal scale and hope, that the result would be independent from arbitrariness that come in the notion of ordinal variable. Ordinal variable is a special case of interval variable; one in which we cannot say how far away from each other are adjacent levels of the variable.
How can I combine several ordinal questions to create a survey?
Given the ordinal responses to n questions for each candidate (a policy research institute in your case), rank/sort order the candidates by functionally combining the n-dimensional response tuple’s elements into a score/metric.
Which is an example of an ordinal variable?
Ordinal variable is a special case of interval variable; one in which we cannot say how far away from each other are adjacent levels of the variable. For instance, the education (which in many contexts is a valid ordinal variable) can be measured in 3 levels: