Adding Science to Your SEM Tests, Part 1 - Measuring Changes [Video]

When testing a change to your SEM campaign, how do you determine if performance changes are due to the change you made and not other factors? In Part 1 of this two part series, Sam Wilcke, PhD and Director of Analytics at Marin, talks through the basic science of setting up a test and control group.

To see Part 2 of this series, click here.