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Analysing evidence, uncertainty and evaluation

Practical, mathematical and exam skills · Lesson 4 of 5

Lesson 4 of 5

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Lesson 4 of 5 · Practical, mathematical and exam skills

Analysing evidence, uncertainty and evaluation

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By the end you’ll be able to

interpret results to identify trends, relationships and anomalies and distinguish clearly between an observation, a result and a conclusion
draw conclusions supported by the data and explain when the evidence does or does not justify a biological claim
evaluate a practical method by commenting on validity, reliability, accuracy, precision and repeatability or reproducibility where appropriate at GCSE level

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suggest specific improvements to practical methods or sampling strategies that would increase accuracy, reliability, validity or safety

comment on the limitations of evidence, including small sample size, uncontrolled variables, insufficient repeats and lack of representative sampling

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