The study of such systems is the subject of control theory and applied in control engineering.
Three million to four million Americans have a more advanced, chronic form of the disease, and the study does not apply to them.
Other studies may apply a different threshold, or restrict its definition to households with below average income.
Wilson's study applies to police behavior for the entire department, over time.
The new study applies that same approach to blocking tactile sensations like pain.
These studies are all of mammals and apply only to differences between, not within, species.
Whether studies of methylmercury apply across the board to ethylmercury is just not known, she said.
The new study does not apply to energy expenditure from exercise.
When studies have taken hypotheses such as Type A behavior and applied them to women, they don't work.