Bias number 33 is known as the courtesy bias. This is a cognitive bias that affects the way a person responds to a request for feedback on goods and services.
In short, people will hold back on giving their full opinion of a product, a service or an experience to avoid offending the person or organisation requesting the feedback. Instead, they opt for what they consider to be a polite or more socially acceptable response over sharing their true thoughts and feelings about the offering.
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