Results for emannueltavares95@gmail.com Experiment Nation

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1. Which is NOT a benefit of having “North Star Metric”?
Answer Provided: ?They have no sample size requirements

Correct Answer: They have no sample size requirements

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2. 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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3. Which is NOT a valid reason to run an A/A test?
Answer Provided: ?To demonstrate the problem with “peeking”

Correct Answer: To measure the confidence of your control

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4. Which generally happens when testing many variants running at once?
Answer Provided: ?It is harder to measure

Correct Answer: The power of your experiment decreases drastically

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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. What is Peeking?
Answer Provided: ?Checking to see if you've hit sample size before the test is complete with the intention of ending the test.

Correct Answer: Looking at test results before the test is complete with the intention of ending the test.

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7. 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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8. What is a false negative?
Answer Provided: ?It is when you don't detect an effect when one exists

Correct Answer: It is when you don’t detect an effect when one exists

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9. What is “bias”?
Answer Provided: ?It is when one variation sees more traffic than another

Correct Answer: It is a systemic preference towards something

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10. Which of the following is NOT a good strategy for analyzing test results?
Answer Provided: ?None of the answers

Correct Answer: None of the answers

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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. Which of the following does NOT describe what an “Experiment” is?
Answer Provided: ?A method to demonstrate a known fact

Correct Answer: A way to permanently change your website

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13. 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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14. Which of the following is a problem with last-touch attribution?
Answer Provided: ?It doesn't help identify tactics that help customers past a tipping point for decision

Correct Answer: It ignores upper-funnel activities

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15. Which of the following describes a “Holdout Group”?
Answer Provided: ?A group that is set aside for a survey

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

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16. What is a safe increase in conversion rate that one can promise to a client/stakeholder?
Answer Provided: ?You should never promise any outcomes

Correct Answer: You should never promise any outcomes

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17. 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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18. 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

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

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

Correct Answer: Writing for clarity, not cleverness

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20. Which is a danger of following best practices?
Answer Provided: ?Your competitors may copy you

Correct Answer: They may not work for you

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21. Which is a benefit of testing extreme changes?
Answer Provided: ?They are always aligned with best practices

Correct Answer: Generating stronger signals to measure

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22. What does “MVT” stand for?
Answer Provided: ?Multivariate Test

Correct Answer: Multivariate Test

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23. The “C” in “VOC” stands for which of the following?
Answer Provided: ?Customer

Correct Answer: Customer

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24. 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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25. What can we learn from tests run on sites that aren’t our own?
Answer Provided: ?What will never work on our own sites

Correct Answer: What worked for them and their audience

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26. 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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27. What should you do if you want to experiment on a website with little traffic?
Answer Provided: ?Run a MVT

Correct Answer: Test high-impact changes

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28. In Frequentist statistics, which of the following is the risk of testing too many KPIs?
Answer Provided: ?Sample Ratio Mismatch

Correct Answer: Increased chance of a false positive

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29. 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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30. Which of the following BEST describes “statistical significance”?
Answer Provided: ?Achieved when the p-value is less than 0.05

Correct Answer: The probability the result observed was not due to random chance

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