A clinical trial is conducted on a specific drug used to treat severe migraines and it is noted that approximately 25% of individuals in the study fail to respond to the drug and the medication appears to give them severe episodes of nausea and vomiting. Upon further examination it is revealed that these individuals carry a genetic marker, and the individuals who did not experience the side effects of nausea and vomiting did not have the same marker as those individuals who experienced the side effects. This is an example of which of the following? Confounding Effect Modification Selection Bias Differential Bias
Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
A clinical trial is conducted on a specific drug used to treat severe migraines and it is noted that approximately 25% of individuals in the study fail to respond to the drug and the medication appears to give them severe episodes of nausea and vomiting. Upon further examination it is revealed that these individuals carry a genetic marker, and the individuals who did not experience the side effects of nausea and vomiting did not have the same marker as those individuals who experienced the side effects. This is an example of which of the following?
Confounding
Effect Modification
Selection Bias
Differential Bias
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