Consider the ways you might broaden or narrow a research question to get the most useful information. Run some searches in Google or library databases to see what kinds of keywords professionals use to discuss a topic. Think about the who, what, where, when, why, and how of a research or information topic.
Example: What are the physiological effects of atmospheric pressure on inexperienced hikers?
Keywords: physiology atmospheric pressure hiker
Related keywords might include:
Altitude sickness; mountain sickness; high-altitude cerebral edema; hypoxemia; cognition
non-athlete; layperson; pediatric; international traveler; lowlander