The blue tint can also help with color perception. One study found that people wearing blue-tinted lenses did not perform as well in sports activities; possibly because this color may reduce contrast ...
Laws such as this protect enforcement officers from potentially dangerous situations resulting from not having a clear view of the people inside when a vehicle is stopped for a violation. Heavily ...
Investopedia / Ellen Lindner The Hawthorne Effect is the supposed inclination of people who are the subjects of an experiment or study to change or improve the behavior being evaluated only ...