Looks like i wasn't very clear. The difference according to the book is that if you want to convice an audience of something, e.g, result of a study, americans

Looks like i wasn't very clear. The difference according to the book is that if you want to convice an audience of something, e.g, result of a study, americans are more interested in the results and how to apply it. Germans want to understand how you got to the results, what the process was behind it so they can understand that your results are correct.