![]() ![]() Most of our knowledge of how people type is based on studies from the typewriter era. The results of the study change our understanding of typing performance. "An important goal for typing is to learn not to look at fingers." "This strategy is only possible for highly practiced letter combinations and when performance does not rely on visual attention," says Anna Feit. ![]() ![]() This strategy was surprisingly prevalent, with fast users typing 40-70% of keystrokes using rollover, irrespective of whether they touch type or not. Here, the next key is pressed down before the previous finger has lifted up. However, the study also discovered a new practice in fast typing called rollover typing, which is well-known among pro gamers but has not been observed during everyday typing. This is particularly detrimental for their performance." says Anna Feit, a doctoral student at Aalto University. Slower typists make more errors and require a long time to identify and correct them. "Correct motor execution is the key to fast typing. Not surprisingly, the data confirmed faster typists generally make less mistakes. The data sheds new light on present-day typing performance. "Ethical large-scale crowdsourcing experiments that allow us to analyse how people interact with computers on a large scale are instrumental for identifying solution principles for the design of next-generation user interfaces," says Dr Per Ola Kristensson, University Reader (Associate Professor) in Interactive Systems Engineering at the University of Cambridge. ![]()
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