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Critical Thinking Expert 2 min

A company says, "Our product has no negative reviews, therefore every customer is satisfied." What important information could be missing?

Hint
Think about who provides reviews.

Answer

Customers who did not leave reviews may have different experiences.

Explanation

The conclusion ignores selection bias. Customers who choose to leave reviews may not represent all customers.

Step-by-Step Solution

Observed group = reviewers.
Target group = all customers.
The two groups may differ.
Therefore no negative reviews do not prove universal satisfaction.
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