The popular method used by researchers in usability study is a method called a direct observation
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What is a direct observation?</h3>
A direct observation refers to a method of collecting data where the researcher watches the subject in his or her natural setting.
The direct observation is also called observational study
In conclusion, the popular method used by researchers in usability study is a method called a direct observation
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<em>brainly.com/question/2514989</em>
What do you mean what book what pg. you need to be more sepcific.
the authority to make laws
I believe the answer is: Stimultant
Consuming stimultant would increase the brain activity in your central nervous system. This would increase thee needs to seek source of excitements or other pleasurable activities, that could cause someone to have low attentions pan and disruptive behaviors.