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Reliability and Validity — AQA GCSE Statistics 8382
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AQA GCSE Statistics
Data Collection and Sourcing
Data Sources and Reliability
Reliability and Validity
AQA GCSE Statistics · 8382
Reliability and Validity
What you need to know
Understand the importance of reliability and validity in data collection.
Define reliability as the consistency of results produced by a measurement.
Define validity as the extent to which an instrument measures what it is intended to measure.
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Reliability and Validity
2 key terms
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Bias and Data Distortion
