Exam answers for: Shiva Manjunath for June 11 2022 03:29:34 Experiment Nation

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1. 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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2. 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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3. What does “MVT” stand for?
Answer Provided: ? Multivariate Test

Correct Answer: Multivariate Test

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4. What does “ARPU” stand for?
Answer Provided: ? Average Revenue Per User

Correct Answer: Average Revenue Per User

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5. Which of the following sources of data has the least amount of bias?
Answer Provided: ? Meta-analyses

Correct Answer: Meta-analyses

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6. Which of the following describes a “Holdout Group”?
Answer Provided: ? A control group that does not get exposed to a treatment/variation

Correct Answer: A control group that does not get exposed to a treatment/variation

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7. Which of the following is an example of social proof?
Answer Provided: ? Customers like you also liked this.

Correct Answer: Customers like you also liked this.

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8. What is a “hero image”?
Answer Provided: ? It is the largest image near the top of a webpage

Correct Answer: It is the largest image near the top of a webpage

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9. What should you do if you want to experiment on a website with little traffic?
Answer Provided: ? Test high-impact changes

Correct Answer: Test high-impact changes

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10. 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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11. 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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12. Which of the following is true about tests that are run during holidays?
Answer Provided: ? Visitors during holidays are not necessarily like visitors during the rest of the year

Correct Answer: Visitors during holidays are not necessarily like visitors during the rest of the year

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13. Which of the following is an example of scarcity?
Answer Provided: ? Only 7 left in stock.

Correct Answer: Only 7 left in stock.

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14. 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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15. Heatmaps are what form of data?
Answer Provided: ? Quantitative and Qualitative

Correct Answer: Quantitative and Qualitative

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16. Which of the following characterizes Value Propositions and Unique Selling Propositions?
Answer Provided: ? It is that very reason which motivates a buyer to purchase that product

Correct Answer: It is that very reason which motivates a buyer to purchase that product

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17. Select the option which BEST completes the following sentence, “Great Experiments ______”:
Answer Provided: ? Answer business questions

Correct Answer: Answer business questions

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18. Which of the following is TRUE of best practices?
Answer Provided: ? They are a good starting point for ideation and testing

Correct Answer: They are a good starting point for ideation and testing

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19. Which of the following is true about p-values?
Answer Provided: ? The p-value is the probability of obtaining a result equal to or more extreme than what was observed, assuming that the Null hypothesis is true.

Correct Answer: The p-value is the probability of obtaining a result equal to or more extreme than what was observed, assuming that the Null hypothesis is true.

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20. Which of the following best describes why letting a test run longer than planned may not be beneficial?
Answer Provided: ? You are probably not testing something very impactful

Correct Answer: You are probably not testing something very impactful

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21. Which is NOT a factor in calculating sample size (in Frequentist statistics)?
Answer Provided: ? Time

Correct Answer: Time

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22. What is a Sample Ratio Mismatch?
Answer Provided: ? The expected traffic split does not match sample size requirements

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

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23. 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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24. Which of the following is an example of “chunking”?
Answer Provided: ? Breaking longer text into smaller parts

Correct Answer: Breaking longer text into smaller parts

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25. 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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26. Which is NOT a valid reason to run an A/A test?
Answer Provided: ? To measure the confidence of your control

Correct Answer: To measure the confidence of your control

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27. What is “flicker”?
Answer Provided: ? When the contents of a variation visibily change during loading because your testing tool is overriding existing code

Correct Answer: When the contents of a variation visibily change during loading because your testing tool is overriding existing code

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28. 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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29. 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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30. What is copywriting for conversion?
Answer Provided: ? Copywriting that compels the reader to perform a specific action

Correct Answer: Copywriting that compels the reader to perform a specific action

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