This guide will demonstrate how to complete the Grand Canyon University PUB 540 Discuss the strengths and weaknesses of cross-sectional studies and provide examples of how they can be “descriptive” or “analytic” study designs assignment based on general principles of academic writing. Here, we will show you the A, B, Cs of completing an academic paper, irrespective of the instructions. After guiding you through what to do, the guide will leave one or two sample essays at the end to highlight the various sections discussed below.