An investigation of the correlation between consumption of genetically modified corn and colon cancer incidence and mortality rates in humans is an example of a(n) ____ study.
A)observational
B)ecological
C) experimental
D) meta-analysis

Question

An investigation of the correlation between consumption of genetically modified corn and colon cancer incidence and mortality rates in humans is an example of a(n) ____ study.​
A)​observational
B)​ecological
C) ​experimental
D) ​meta-analysis

Quizplus · Accepted Answer

Ecological studies investigate the associations between exposures and outcomes in populations rather than in individuals. This type of study is appropriate for the given scenario, where the relationship between the consumption of genetically modified corn (an exposure) and colon cancer rates (an outcome) in humans is being examined at the population level.

An Investigation of the Correlation Between Consumption of Genetically Modified