QPractice question
In the Amazon's one-click checkout example, Amazon's one-click checkout primarily demonstrates which concept?
  1. A.Customer Effort Score (CES) ✓
  2. B.Churn Rate
  3. C.SEO Fundamentals
  4. D.Net Promoter Score (NPS)
Why this answer:

Amazon's one-click checkout is the textbook illustration of Customer Effort Score (CES). The detailed walkthrough is in the concept guide. The other options are valid concepts but do not match the specific mechanics in this example.

How to think about questions like this

Application questions test whether you can connect a real-world example to the right framework. The trick is to ignore the surface details (industry, company name) and focus on the underlying mechanic the example illustrates.

For Customer Effort Score (CES) specifically, look for the signal: Reducing effort drives loyalty more than delighting customers. That signal is what distinguishes the right answer from plausible-sounding alternatives.

Editor's note Want a deeper walkthrough? Our editors recommend pairing this with Customer Effort Score (CES) for a worked example you can adapt to your assignment.