The truth of the matter is that it’s usually not easy to get good data. Even after you think you’ve made all the hard decisions, you can’t just wait as the data flows in. There are a number of confusing details to work out and pitfalls to avoid.
To help you deal with the data collection phase of your measurement project, here is your how-to-get-good-data checklist:
Sit down and review your search strings with your supplier(s) at least once a month.