| Term 
 | Definition 
 
        | people who have the disease and who are erroneously called " negative" for the disease |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | People who do not have the disease and who are erroneously called “positive” by the test. |  | 
        |  | 
        
        | Term 
 
        | Food-specific attack rate |  | Definition 
 
        | Number of people who ate a certain food and became ill divided by the total number of people who ate that food. |  | 
        |  | 
        
        | Term 
 
        | Four parts of a scientific manuscript |  | Definition 
 
        | 1) Introduction  2) Methods  3) Results  4) Discussion |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | A cohort study on cardiovascular diseasse, which was begun in 1948 in massachusetts and consisted of little over 5 thousand people |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | A cohort study on cardiovascular diseasse, which was begun in 1948 in massachusetts and consisted of little over 5 thousand people |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | A cohort study on cardiovascular diseasse, which was begun in 1948 in massachusetts and consisted of little over 5 thousand people |  | 
        |  |