Testing
There's no shortage of case studies proving that small tweaks to page layout, headlines, graphics, photos, sales copy, calls to action, registration or sign up forms, site flow or paid advertising can produce a huge return on investment.
A/B and Multivariable Testing
DDSA provides best practice guidance on the team structures and skill sets necessary for successful testing; test ideation including hypothesis development and prioritization guidelines; test set up including how to determine sample sizes and estimate test durations; test production including test administration, QA steps and tool integration; and test reporting, including how to monitor a live test, analyze results, and create reporting templates that best communicate outcomes for actionable results. When best practices are in place, you're free from design-by-committee influences and confident that customer data is being used to tune results for a higher ROI.