Biology A-Level
Reliability through control and repeats
What Reliability through control and repeats means in Biology A-Level, as defined for OCR.
Definition of Reliability through control and repeats
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Read the wording for your board, then hide it and explain Reliability through control and repeats in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Control variables such as volumes and conditions, and use repeats, to reduce error and improve reliability.
Topics that use Reliability through control and repeats
- Biological molecules (OCR A-Level)
Related terms
- amylose and amylopectin
- Benedict's test for reducing and non-reducing sugars
- Biuret test for proteins
- Bonding and R-group interactions
- Carbon, hydrogen and oxygen
- Cellulose and microfibrils
- Cholesterol
- Cohesion and surface tension
Using Reliability through control and repeats in the exam
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