How and What to Test Effectively

Let’s look at the types of things to test more than once:

Catalog trim size. A slight change in the trim size of your book can reduce your costs without having a negative impact on the sales. This isn’t an easy thing to test cost effectively, since it requires producing two completely different catalogs. Therefore, testing a new trim size (and re-testing) will depend upon the degree of the physical size of the change you’re planning to make.