Yes, Caffeine does effect the speed of typing..
Music can affect typing because it slow people
Typing speed is typically measured in words per minute (WPM), which is the number of words a person can type accurately in one minute. Accuracy is also an important factor when measuring typing speed, as errors can affect the overall speed.
Caffine will speed up the heart rate.
There are a couple constants, such as the continual growth in which the decaf and the caffeinated drinks differ in results, and the types of caffeinated drink.
A typing test is one taken to know typing skill level, speed, and accuracy.
I believe that's the typing speed, with corrections (deductions) for errors.
The fastest typing speed was by a women maintaining a speed of 212 wpm.
fast typing speed
There are many online websites which offer us to speed typing test. I have search about the topic and find the best article. Here is the link for the article which describes the 10 best speed typing test websites. findbesttrciks (.com)
Caffeine works by constricting the blood vessels and increasing the heart rate.
Depends on how old you are. A good typing speed would be about in the 50s or 60s of wpm. Anything higher then 100 is considered amazing. My average typing speed is about 55 wpm.