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Exam (elaborations)
CHLH 274 UPDATED Exam Questions and CORRECT Answers
Where does the word epidemiology derive from?Epidemiology originates from the 
Greek words, epi (upon) + demos (people) + logy (study of). 
Definition of EpidemiologyEpidemiology is concerned with the distribution and 
determinants of health and diseases, morbidity,injuries, disability, and mortality in 
populations. 
key aspects of the epidemiology definitionDeterminants 
Distribution 
Population 
Health phenomena 
Morbidity and mortality 
meaning of determinantsFactors or events that are c...
Exam (elaborations)
CHLH 274 Final Exam Study Guide | 120 Questions with 100% Correct Answers | Updated & Verified
Determine if the study type includes manipulation and/or randomization: 
Experimental - Both manipulation and randomization 
Determine if the study type includes manipulation and/or randomization: 
Quasi-Experimental - Manipulation NOT Randomization 
Determine if the study type includes manipulation and/or randomization: 
Observational - NEITHER manipulation or randomization
Exam (elaborations)
CHLH 274 Final Exam Study Guide | 120 Questions with 100% Correct Answers | Updated & Verified
Determine if the study type includes manipulation and/or randomization: 
Experimental - Both manipulation and randomization 
Determine if the study type includes manipulation and/or randomization: 
Quasi-Experimental - Manipulation NOT Randomization 
Determine if the study type includes manipulation and/or randomization: 
Observational - NEITHER manipulation or randomization 
What type of study is most convincing for conferring evidence of association between risk 
factors and outcomes? - experi...