It will just determine how fast you read. Part of the text on this first window makes it clear that the app will not teach you how to speed read or test you to see if you absorbed anything. The first screen that appeared included a fair bit of information on it. Speed Reading III for Mac requires no special steps in installation-just download and run the program. This application doesn't test comprehension or give explicit pointers on how to improve, though. Speed Reading III for Mac aims to help users read faster by showing a basic technique that can improve one's focus.