An effective research question requires analysis and is appropriately scoped to the size of a project.
A mind map is the visualization of a subject and its related concepts. For example, if you were going to write a paper on Fashion History, you would need to narrow it down. Using a mind map, you could visualize it's sub-topics until you found a good fit. These sub-topics can serve as a good starting point for your keyword searches.

There are several free tools online for creating a mind map, but sometimes it is easiest to use pen and paper!
You can use this free service to create a mind map of your own.
Coggle.it
A simple free mind mapping service
Another free mind mapping software, which allows you to save and work on your map over the duration of your project.
The video below will demonstrate effective searching in two of our go-to database picks for Kinesiology research (Health Source and MEDLINE Ultimate, both hosted by EBSCO).
Some EBSCO databases provide the ability to "browse references." When you run a Basic or Advanced Keyword Search, any Cited References or Times Cited in this Database links that are available are presented with your search results.
Found in the library catalog, Citation trails is an exploration tool that helps to find related articles and to a topic further by showing both articles cited by and cited in the current article.
