The Dvorak keyboard layout has been slow to catch on due to lack of scientifically conclusive evidence that it is superior to the QWERTY sequence. The majority of positive test results seem to come from Dvorak himself, who had a financial and intellectual investment in his patent. Ergonomic studies did not support his superior claim for the layout. Tests done by the Department of the Navy were positive, but considering that Dvorak was also a …showed first 75 words of 316 total…

…showed last 75 words of 316 total…voice recognition software ever becomes a standard for computer users. Even now, word processors increase the speed of most typists to a degree that such a change in a keyboard configuration would make little difference. As long as expert typists can average about 100 words a minute with QWERTY keyboards, the future for an alternative standard is bleak in the business world. The benefit does not outweigh the cost of change at this moment in time.