How and why should users vote on answers?
This explains how to accept an answer: How does accepting an answer work?
Meta Stack Exchange is a question and answer site for meta-discussion of the Stack Exchange family of Q&A websites. It only takes a minute to sign up.Sign up to join this community
Reasons for voting on answers are explained in the Help Centre: Why is voting important?
Voting up a question or answer signals ... that a post is interesting, well-researched, and useful... The more that people vote on a post, the more certain future visitors can be of the quality of information contained within that post – not to mention that upvotes are a great way to thank the author of a good post for the time and effort put into writing it!
Upvoting an answer is a signal that an answer is useful.
Voting also affect reputation, which is an incentive for people to participate: see What does Reputation do?
To upvote a question, click on the up-arrow next to the question:
[figure to be supplied]
You can vote when your own reputation reaches 15: for example when you have 3 upvotes (worth +5 each) on your questions, or 2 upvotes (worth +10 each) on your answers.
Voting is a very personal and subjective thing. Hovering mouse cursor over the arrowhead gives good, valid guideline. Good reasons for upvoting an answer can be many, including:
There are some bad reasons for upvoting, I would avoid doing these:
And similar for downvoting answers:
Many think it is polite to leave a comment when downvoting, to explain what you think is wrong. Then poster can edit answer and also respond to comment telling they fixed it. But this is entirely optional.
I like to ask myself, if I vote on this, will it make SO a better place, will it help separate good info from bad? In this matter all users with 15+ rep are equal, deciding what is good and what is bad, by voting.