We have just finished a study.
The publication still needs some time.
But I can already say in advance that 25% of the subjects get great benefits in the method.
My finding before the study was that 10% of all readers gain an advantage in Bionic Reading.
And 10% is already very much...I find
10% of all readers find how much increase in reading speed? also, how is the recollection and retainability of the information?