Matching Pairs EpidemiologyOnline version Common words used in epidemiology by Maureen Strauss 1 Causality (or Cause and Effect) 2 Pilot study 3 Placebo 4 Calibration 5 Trends 6 Placebo effect (Hawthorne effect) 7 Basic Screening 8 Surveillance 9 Epidemiology 10 Eradication a treatment which has no therapeutic value (looks, taste, etc.; same in appeal) Study of the nature, cause, control, and determinants of the frequency and distribution of disease, disability, and death in human populations Ongoing observation, persistent watching over, scrutinizing, constant monitoring, and assessing changes in populations related to disease, conditions, injuries, disabilities or death trends Standardization of examiners as they apply epidemiologic measurements A particular exposure results in a particular outcome Rapid assessment accomplished in a short time by visual detection providing information about gross dental and oral lesions. Long-term changes or movements in disease patterns and health-related conditions identifies by examining surveillance data Elimination of an infectious disease agent through surveillance and containment Positive treatment results based upon the subjects belief about the efficacy of a treatment intervention or subjects’ knowledge that they are being observed a trial run to evaluate how to control the variables before beginning a larger study