Psychology A-Level
contingency tables
What contingency tables means in Psychology A-Level, as defined for AQA.
Definition of contingency tables
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Read the wording for your board, then hide it and explain contingency tables in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Tables where only the cells holding observed frequencies are counted, so a 2 by 2 table has 1 degree of freedom and a 2 by 3 table has 2.
Topics that use contingency tables
- Algebra (AQA A-Level)
Related terms
- conventional reporting form
- critical value tables
- degrees of freedom
- levels of significance
- null hypothesis decisions
- substituted line
- type 1 and type 2 errors
- chi square decision rule
Using contingency tables in the exam
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