Results for taci.serafim@gmail.com

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1. Which of the following BEST describes “statistical significance”?
Answer Provided: ?The probability the result observed was not due to random chance

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

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2. If your p-value is 0.05 then which of the following is TRUE?
Answer Provided: ?You have statistical significance

Correct Answer: There is a 5% probability that one would detect this result if there was no difference between variants

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3. What can we learn from tests run on sites that aren’t our own?
Answer Provided: ?Nothing

Correct Answer: What worked for them and their audience

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4. Which of the following is a reason to document experiments?
Answer Provided: ?All the answers are correct

Correct Answer: All the answers are correct

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5. 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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6. 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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7. 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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8. What is the most important step you can take to increase your funnel’s final conversion rate?
Answer Provided: ?Identify the biggest drop-off points and prioritize fixing those

Correct Answer: Identify the biggest drop-off points and prioritize fixing those

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9. Which of the following is not one of Cialdini’s 6 Principles of Persuasion?
Answer Provided: ?Humour

Correct Answer: Humour

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10. Which is a benefit of testing extreme changes?
Answer Provided: ?The results are easier to calculate

Correct Answer: Generating stronger signals to measure

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

Correct Answer: Average Revenue Per User

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12. Which BEST describes experiment “Interaction Effects” ?
Answer Provided: ?When a user interacts with a component in a test

Correct Answer: When one experiment impacts the outcome of another

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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 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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15. 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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16. What is Peeking?
Answer Provided: ?Looking at test results 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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17. Which is NOT a factor in calculating sample size (in Frequentist statistics)?
Answer Provided: ?Minimum Detectible Effect

Correct Answer: Time

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18. Which of the following is NOT a benefit of test iteration?
Answer Provided: ?Increased statistical power

Correct Answer: Increased statistical power

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

Correct Answer: Multivariate Test

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21. 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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22. In A/B testing, a “control” is generally which of the following?
Answer Provided: ?The factor that isn't changed during the test

Correct Answer: The version where no changes have been made

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23. 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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24. What does “KPI” stand for?
Answer Provided: ?Key Performance Indicator

Correct Answer: Key Performance Indicator

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25. When collecting test ideas, which of the following should NOT be done?
Answer Provided: ?Take a “Yes and” attitude instead of a “No but” one

Correct Answer: Only consider best practices

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26. 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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27. Which of the following is an example of “chunking”?
Answer Provided: ?Breaking a long funnel into smaller parts

Correct Answer: Breaking longer text into smaller parts

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28. What is a “Bonferroni Correction”?
Answer Provided: ?A statistical correction to account for novelty effects

Correct Answer: A way to control for false positives when analyzing multiple metrics

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29. 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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30. What is “bias”?
Answer Provided: ?It is a systemic preference towards something

Correct Answer: It is a systemic preference towards something

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