Psychology A-Level
positive and negative skew
What positive and negative skew means in Psychology A-Level, as defined for AQA.
Definition of positive and negative skew
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Reference: AQA
A long tail stretching towards the high scores is a positive skew and a long tail towards the low scores is a negative skew, named from the tail rather than the hump.
Topics that use positive and negative skew
- 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 positive and negative skew in the exam
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