Psychology A-Level
Reliability
What Reliability means in Psychology A-Level, as defined for AQA.
Definitions of Reliability
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Reference: AQA
Consistency, established by test-retest, inter-observer agreement or split-half, and kept distinct from validity.
Ensured by applying the coding system systematically across the entire dataset to ensure consistency.
Topics that use Reliability
- Data handling and analysis (AQA A-Level)
- Research methods (AQA A-Level)
Related terms
- co-variables
- Coding
- anomalous scores
- bar charts
- Causation
- central tendency
- Closed questions
- Collection techniques
Using Reliability in the exam
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