interval data
What interval data means in Psychology A-Level, as defined for AQA, OCR.
Definitions of interval data
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Reference: AQA
Uses equal, fixed units on a publicly agreed scale, such as seconds or words recalled, and only this level earns the mean and standard deviation.
Scores on a scale with genuinely equal and defined units, such as time in seconds.
Topics that use interval data
- Data handling and analysis (AQA A-Level)
- D.1 – handling data (OCR A-Level)
Related terms
- co-variables
- levels of measurement
- Meta-analysis
- nominal data
- normal distribution
- ordinal data
- primary data
- qualitative data
Using interval data in the exam
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