SAMPLING

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Biology

Biochemistry

Last updated 8:21 PM on 11/14/22
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4 Terms

1
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What 4 things should be controlled when sampling
BMI, acitivity levels of participants, age and gender
2
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What is two reasons why data might be considered valid
Large sample, Done over a long period of time
3
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What aspects may affect validity
people may lie, people may underestimate their answers, people may change behaviour over time
4
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How to calculate percentage decrease
NEW - OG / OG x 100