Psychology A-Level
skewed distributions
What skewed distributions means in Psychology A-Level, as defined for AQA.
Definition of skewed distributions
Check what you remember
Read the wording for your board, then hide it and explain skewed distributions in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
In a positive skew the mean is pulled higher than the median and mode by extreme high scores; in a negative skew the mean is pulled lower.
Topics that use skewed distributions
- Handling data (AQA A-Level)
Related terms
- bar chart
- calculating the Sign test
- causation and third variables
- central tendency
- choosing a statistical test
- co-variables
- condition by condition comparison
- Consistency of scores
Using skewed distributions in the exam
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