Combined Science GCSE
Bias in data collection
What Bias in data collection means in Combined Science GCSE, as defined for AQA.
Definition of Bias in data collection
Check what you remember
Read the wording for your board, then hide it and explain Bias in data collection in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Selection without bias, for example choosing every tenth name from a list rather than only asking people in a gym, is needed or the estimate of risk may be unreliable.
Topics that use Bias in data collection
Related terms
- alveoli
- Blood glucose regulation
- Carcinogen
- Correlation
- Correlation versus causation
- Environmental risk factors
- Environmental substances
- Evidence from population studies
Using Bias in data collection in the exam
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