Validation - Do you avoid capturing incorrect data?
  v1.0 Posted at 27/11/2012 8:05 PM by Rebecca Liu

When asking for an opinion do you give people the option of having no opinion at all? If you only provide "Yes" or "No" as answers to the question "Do you like apples?" then you force people to make a decision which may not be correct.

Do you like apples? Yes

Maybe they only like cooked apples not raw ones. When asking any question in which "Don't know." or "Don't care." is a valid response, always include an option to opt out of answering.

Additionally, when the user don't answer the question at all, the response you would get would be determined by the browser the user was using. Give them an answer they can agree with and you'll reduce the chance of bogus responses.

Do you like apples? Yes
Cannot say

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