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6 Cards in this Set
- Front
- Back
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What are Nominal Data?
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Tallying people (head count) in non-ordered categories such as sex, ethnicity, voting preference. Frequency counts. Percentages or proportions can be calculated. No group means
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What are Ordinal Data?
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Tallying people (head count) into ordered categories (attitudes, SES, percentile ranks for income). Frequencies can be obtained for each category. No group means.
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What are the two Dichotomous Categories of data?
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Nominal & Ordinal
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What are the two Continuous Categories of data?
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Interval & Ratio
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What are Interval Data?
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Scores for each person that have equal intervals. No absolute zero score (IQ or T scores for example) or a relative zero that is continuous (0 degree temperature). Group means can be calculated.
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What are Ratio Data?
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Scores for each person that have equal intervals and an absolute zero. (Bank savings, number of children, weight). Means can be calculated and comparisons made across score values.
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