level of measurement
What level of measurement means in Psychology A-Level, as defined for AQA, OCR.
Definitions of level of measurement
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Reference: AQA
Whether the numbers used in a study are nominal, ordinal or interval, which drives which measure of central tendency is reported and which inferential test is run.
What a measure's numbers represent, worked out from how the researcher recorded the behaviour before it is stated for a study.
Whether the data are nominal categories, ordinal ranks, or interval data on a scale with equal units.
What the dependent variable produced, which is nominal, ordinal or interval.
Topics that use level of measurement
- Handling data (AQA A-Level)
- Inferential testing (AQA A-Level)
- D.1 – handling data (OCR A-Level)
Related terms
- one tailed and two tailed tests
- co-variables
- content analysis
- correlation coefficients
- levels of measurement
- levels of significance
- measures of central tendency
- Meta-analysis
Using level of measurement in the exam
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