How do you deal with design disagreements?

In work we’re designing a landing page that acts as a springboard to different areas of advice our company provides. We came to a point where we disagreed on the best way to lay out the links to specific advice within each section.

How do you resolve a disagreement between two design decisions that both have valid arguments for and against them?

When disagreeing on programming, the answer can be relatively easy. The “winner” supports any bugfixes and customer service issues that arise due to the decision.

But how do you decide between two different designs? Answering my own question, A/B testing is probably the best way, as you can usually derive a clear winner from the figures it returns.

How do you resolve internal design disagreements? Tweet me @_gareth if you have any tips and tricks.