5.2 - False Positives
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Practice Questions
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What is a false positive?
💡 Hint: Think about analytical tests and their outcomes.
Name one source of sample gain.
💡 Hint: Consider what might cause contamination in a lab.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does a false positive indicate?
💡 Hint: Consider the definitions we've discussed.
True or False: All sample gains are bad and should be avoided at all costs.
💡 Hint: Think about scenarios where additional measurements might come from valid sources.
2 more questions available
Challenge Problems
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You conduct a series of experiments and notice unusually high readings in your samples consistently. Describe a logical step-by-step approach to troubleshoot this issue, including how you would document your findings.
💡 Hint: Think methodically about every stage of the sampling and analysis process.
You have a sample with suspected contamination but also contains a known analyte. Explain how you would proceed with both the detection of false positives and assurance of accurate results.
💡 Hint: Consider how controlling variables can lead to reliable conclusions from your tests.
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