Human subjects in clinical trials, hope this helps :) 
(an 18 year old died in a gene experiment, pennsylvania)
        
             
        
        
        
Please could you indicate what changes are there discussed by the text
 
        
             
        
        
        
Answer:
add more points and A is the answer 2020 edg.
Explanation:
 
        
                    
             
        
        
        
Answer: Variability
Explanation:
Variability is the trait that displays variation occurring in sample of experiment and results .Variation can be present in experiment as samples may differ, condition may differ,different measuring aspect, etc.
According to the question, variability is the factor that should be considered to determine degree of difference present between data and how they are separate from each other in terms of sample structure, measurement , rate, influence etc even though it is producing same results. 
 
        
             
        
        
        
The study of social interaction in terms of theatrical performance is referred to as Dramaturgy or the Dramaturgical Approach. It is a sociological perspective starting from a symbolical interaction and commonly term as micro-sociological accounts of social interaction in everyday life.