medium · GMAT Verbal

This generalization is most likely to suffer from which of the following?

1. Non-response bias, in which users with strong opinions are far more likely to respond than the silent majority.
2. An insufficient sample, since five hundred is only one percent of the total fifty-thousand user base.
3. A failure to account for the users who lack a reliable internet connection at home or at work.
4. Leading or loaded survey questions whose wording could have nudged users toward giving positive feedback on the update.
5. An assumption that the new software update could not possibly contain any design flaws whatsoever at all.

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