Exam answers for: Storm Jarvie for June 11 2022 10:36:23 Experiment Nation

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1. In A/B testing, a "control" is generally which of the following?
Answer Provided: ✓ The version where no changes have been made

Correct Answer: The version where no changes have been made

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2. Which of the following is not one of Cialdini's 6 Principles of Persuasion?
Answer Provided: ✓ Humour

Correct Answer: Humour

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3. What does "KPI" stand for?
Answer Provided: ✓ Key Performance Indicator

Correct Answer: Key Performance Indicator

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4. Which is a benefit of testing extreme changes?
Answer Provided: ✓ Generating stronger signals to measure

Correct Answer: Generating stronger signals to measure

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5. An experiment demonstrates a 10% decrease in conversion rate at a 99% confidence level. In what way is this still a 'win'?
Answer Provided: ✓ You've saved the business time and money which they might have by implementing this costly feature

Correct Answer: You've saved the business time and money which they might have by implementing this costly feature

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6. Which is a danger of following best practices?
Answer Provided: ✓ They may not work for you

Correct Answer: They may not work for you

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7. Which BEST defines "Baseline Conversion"?
Answer Provided: ✓ The most recently recorded conversion rate of the metric you want to measure

Correct Answer: The most recently recorded conversion rate of the metric you want to measure

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8. In Frequentist statistics, which of the following is the risk of testing too many KPIs?
Answer Provided: ✓ Increased chance of a false positive

Correct Answer: Increased chance of a false positive

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9. If a program's ratio of "successful" tests (aka "win rate") to launched tests is constantly 50%, what should you suspect?
Answer Provided: ✓ The CRO is not testing meaningful hypotheses or picking the KPI after the experiment has concluded

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Correct Answer: The CRO is not testing meaningful hypotheses or picking the KPI after the experiment has concluded

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10. What of the following is NOT true about a Unique Selling (or Value) Proposition?
Answer Provided: ✓ Customers know what it is before landing on your property

Correct Answer: Customers know what it is before landing on your property

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11. After you have completed your conversion audit and have a list of hypotheses, what is the next step you need to take?
Answer Provided: ✓ Prioritize the hypotheses based on your framework of choice

Correct Answer: Prioritize the hypotheses based on your framework of choice

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12. Bayesian and Frequentist are which of the following?
Answer Provided: ✓ Schools of thought in statistics

Correct Answer: Schools of thought in statistics

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13. What can we learn from tests run on sites that aren't our own?
Answer Provided: ✓ What worked for them and their audience

Correct Answer: What worked for them and their audience

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14. Confidence levels must be which of the following?
Answer Provided: ✓ Set based on the needs of an experiment

Correct Answer: Set based on the needs of an experiment

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15. What does "MVT" stand for?
Answer Provided: ✓ Multivariate Test

Correct Answer: Multivariate Test

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16. Which BEST describes an experiment "Hypothesis"?
Answer Provided: ✓ An educated guess as to what will happen during your experiment

Correct Answer: An educated guess as to what will happen during your experiment

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17. What is a Sample Ratio Mismatch?
Answer Provided: ✓ The observed traffic split is statistically significantly different from what was expected

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Correct Answer: The observed traffic split is statistically significantly different from what was expected

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18. Which of the following is NOT an example of urgency?
Answer Provided: ✓ Customers like you also liked this.

Correct Answer: Customers like you also liked this.

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19. A test has a >50% lift to your primary metric. What is the first thing you should do?
Answer Provided: ✓ Sanity check your results

Correct Answer: Sanity check your results

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20. Which BEST describes why you should always define a "Test Hypothesis"
Answer Provided: ✓ To ensure you learn, no matter what the test outcome because the experiment will either prove or disprove your hypothesis

Correct Answer: To ensure you learn, no matter what the test outcome because the experiment will either prove or disprove your hypothesis

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21. Heatmaps are what form of data?
Answer Provided: ✓ Quantitative and Qualitative

Correct Answer: Quantitative and Qualitative

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22. What should you do before you run an experiment?
Answer Provided: ✓ All answers are correct

Correct Answer: All answers are correct

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23. Which generally happens when testing many variants running at once?
Answer Provided: ✓ The power of your experiment decreases drastically

Correct Answer: The power of your experiment decreases drastically

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24. Which is NOT a valid reason to run an A/A test?
Answer Provided: ✕ To collect data to calculate sample size

Correct Answer: To measure the confidence of your control

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25. What is NOT a sign of a healthy Experimentation Culture?
Answer Provided: ✓ Experiment results do not alter any plans

Correct Answer: Experiment results do not alter any plans

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26. When writing copy, what is your #1 priority?
Answer Provided: ✓ Writing for clarity, not cleverness