The document provides instructions for a peer review exercise involving reviewing articles about GPS navigation systems. It includes 9 questions requiring responses of at least 75 words each. The questions ask the reviewer to summarize the main ideas, evaluate how clearly the sections are organized, identify what details are included, point out any confusing aspects, assess what is good about the writing, identify any errors, and make suggestions for improving the articles. The reviewer is also asked to identify 3 basic differences between how their group would author a similar document.