Read I Was Wrong About Speed Reading: Here are the Facts by Scott H. Young (Scott H Young)
7 years ago I wrote an article about speed reading. Turns out I made a lot of mistakes. Discover why speed reading might not be as useful as expected.
Most speed reading material always seem off. This one is reasonably measured and at least indicates a balance between speed and comprehension and retention. Seems like a dearth of references here. I can’t imagine that there isn’t more peer reviewed research on speed reading and comprehension. 

Of course the memory portion can be handled relatively easily, but even that takes some work and repetition.