Discuss the different levels of measurement and give an example for each.
Nominal Level variables convey classification or categorization information only. Examples include gender, race, religion, political party, city born in, etc.
Ordinal level variables are categorical but the categories have some type of relationship to each other. The categories can be ordered from high to low or low to high but there is no exact quantity between the categories. We know a category is more or less but do not know exactly how much more or less. Examples would include income or age categories, likert type items, etc.
Interval level variables allow us to quantify the numeric relationship among the categories. The difference between the adjacent values must be the same at every two points. Examples would be age, temperature on the Farenheit scale, etc.
Ratio level variables have all the qualities of interval level variable and a true-zero point. A true zero indicates that the phenomenon is absent. Examples would include number of crimes committed, number of times a person was victimized, number of hours worked, etc.
Nominal Level variables convey classification or categorization information only. Examples include gender, race, religion, political party, city born in, etc.
Ordinal level variables are categorical but the categories have some type of relationship to each other. The categories can be ordered from high to low or low to high but there is no exact quantity between the categories. We know a category is more or less but do not know exactly how much more or less. Examples would include income or age categories, likert type items, etc.
Interval level variables allow us to quantify the numeric relationship among the categories. The difference between the adjacent values must be the same at every two points. Examples would be age, temperature on the Farenheit scale, etc.
Ratio level variables have all the qualities of interval level variable and a true-zero point. A true zero indicates that the phenomenon is absent. Examples would include number of crimes committed, number of times a person was victimized, number of hours worked, etc.
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