There's a theory or study that shows evidence that users are more prone to provide reviews if the review is bad than if the review is good. Kind of a "revenge" review.

However, can't find it on Google (nor here) and I need it for an article I'm writing. Maybe because I'm using the wrong search terms or because I don't remember the name of this study.

Anyways, any help really appreciated

Note: It's not Praise-to-Criticism Ratio although it might be related

1 Answer 1


For how users remember a bad experience might be referring to Negativity Bias. We are hard wired to give more weight to the bad (negative) than the good (positive).

NNGroup has a piece on this:

The negativity bias is the tendency for humans to pay more attention, or give more weight to negative experiences over neutral or positive experiences. Even when negative experiences are inconsequential, humans tend to focus on the negative.

How users share good and bad experiences:

What they do with that experience is the focus of a Zendesk study.

Here's from Zendesk

95% share bad experiences and 87% share good experiences with others.

54% shared bad experiences with more than five people and 33% shared good experiences with more than five people.

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    Apart from a general "people are more likely to moan if they're unhappy" bias (or part of the reason for that bias) may be that if I don't like something, there is usually something specific that I don't like, therefore I might complain and mention that thing. However, if I like something, there might not be any specific, stand-out feature that "makes me like it", so I might be less likely to say so.
    – TripeHound
    Commented Nov 15, 2018 at 11:17

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