One of the first questions students ask when they start a literature review is “When do I stop?” After all, if your goal is to read and evaluate everything that has ever been said on a topic, it may seem like you’re starting on an endless quest.
But there is a solution. It’s called the ’saturation point’.
To make sure that you’re covering everthing that has been said on your topic, don’t worry about reading every possible writer, or every possible article. Instead, concentrate on the things that are being said. After a while, you’ll begin to notice that fewer and fewer new ideas are jumping out of the literature. When that stops happening entirely, you can be pretty sure that you’ve reached the saturation point - and that means it’s time to stop.
