Results for dalia.rumbaite@gmail.com Experiment Nation

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1. 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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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: ✕ Statistically significant results are better than 'flat' results

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

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3. 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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4. Which of the following does NOT describe what an “Experiment” is?
Answer Provided: ✓ A way to permanently change your website

Correct Answer: A way to permanently change your website

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

Correct Answer: Customer

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7. If there is no meaningful difference between your control and variation in terms of your success metric, which of the following should you decide?
Answer Provided: ✕ The test was inconclusive

Correct Answer: It depends on the hypothesis

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8. Which of the following is NOT a benefit of test iteration?
Answer Provided: ✕ With luck, you can reuse some assets – saving you time

Correct Answer: Increased statistical power

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9. Heatmaps are what form of data?
Answer Provided: ✕ Bayesian

Correct Answer: Quantitative and Qualitative

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10. 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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11. 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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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. 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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14. Which of the following sources of data has the least amount of bias?
Answer Provided: ✕ Randomized Control Trial results

Correct Answer: Meta-analyses

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15. 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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16. Which is NOT a factor in calculating sample size (in Frequentist statistics)?
Answer Provided: ✕ Minimum Detectible Effect

Correct Answer: Time

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

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

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19. 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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20. 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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21. What does “KPI” stand for?
Answer Provided: ✓ Key Performance Indicator

Correct Answer: Key Performance Indicator

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22. Which BEST describes experiment “Interaction Effects” ?
Answer Provided: ✕ When an experiment is modified after it was launched

Correct Answer: When one experiment impacts the outcome of another

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

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

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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. 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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26. 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