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Congitive Load
Using the Tapping Method to Measure Cognitive Load
In this experiment, Michael Albers employed the finger tapping method to measure users' cognitive load as they were navigating each of the given websites, How Stuff Works and National Institutes of Health. The overall goal of this study was to see if the tapping task is a practical option for measuring the fluctuations in cognitive load. The finger tapping task is a simple motor task in which users are to rhythmically tap one or multiple fingers from their non-dominant hand. For this study, participants were directed to tap their fingers on one hand and to place their other hand on the mouse. Participants were also divided in two groups: technical, those who use a computer for work and personal use, and non-technical, those who use a computer for necessary tasks. For each website, the participants were given 5 cards containing a question with a time limit of 2.5 minutes to answer each question. Because tapping requires the use of at least one hand, participants were to locate the answers to the questions by scrolling through the website. And after each question, the participants must return back to the homepage of the given website. Albers found that “non-technical” participants exhibited slower, quieter and less rhythmic taps when navigating the given website compared to the “technical” participants, which could indicate cognitive overload for the former group. While more research needs to be done on how differences in technical skill levels can impact results, the findings of this study shows the use of the finger tapping method in a usability test to pinpoint specific areas of a product, such as a website, that may contribute to the user’s cognitive overload.
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Congitive Load
Usability
User experience (UX) research
Design Science
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