Our team of highly-trained, highly-caffeinated researchers have conducted extensive tapping studies on the optimal tap-to-click ratio. And we have found that...
...with a tap-to-click ratio of 3:2, users experience a 4.2% increase in productivity, a 2.1% decrease in sanity, and a 0.5% increase in risk of RSI (Repetitive Strain Injury).
Read Tapping Study 4: The Dark Side of Tapping Read Tapping Study 5: Tapping and the Effects of Caffeine