nominal data
What nominal data means in Psychology A-Level, as defined for AQA, OCR.
Definitions of nominal data
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Reference: AQA
Counted in categories, with every item falling in one category only, the categories having no order, and the mode the only average available.
Frequencies in discrete named categories, where the numbers label rather than measure, so only frequencies can be compared.
Topics that use nominal data
- Data handling and analysis (AQA A-Level)
- D.1 – handling data (OCR A-Level)
Related terms
- co-variables
- interval data
- levels of measurement
- Meta-analysis
- normal distribution
- ordinal data
- primary data
- qualitative data
Using nominal data in the exam
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