I think in a learning environment it can not provide a positive purpose. It can cause you to lose focus as well as others around you.
Answer:
Weber's law
Explanation:
According to Weber, the psychologists proposed that for each of our five senses, the degree of change in the stimulus that is required to product a just noticeable difference is reliant on the degree of intensity of the first presented stimulus. In other word, the change in a stimulus that will be just noticeable is constant with its first or original stimulus.
