The document discusses the importance of selecting subtopics when conducting research. It explains that subtopics focus the research by answering questions about the topic and create a plan to explore it. Good subtopics come from brainstorming general ideas or pre-searching for specific concepts. The document provides examples of general subtopics for people, places, things and suggests using resources like tables of contents or bold headings to find specific subtopics. It advises determining the number of subtopics based on the research time available and one's ability to complete the work.