While you are taking Coumadin, be sure to tell your doctor if you change your diet or eating pattern because this is likely to change your vitamin K intake. Your doctor can monitor your PT/INR test closely when your diet changes and can adjust your Coumadin as needed.
The experiments took place at Western Electric's factory at Hawthorne, a suburb of Chicago, in the late 1920s and early 1930s.
Elton Mayo is called the father of human relations. The Hawthorne effect refers to an increase in performance caused by the special attention given to employees, rather than tangible changes in the work.