Outcome Variable

How many outcome variables are you interested in for your study?

Description

The outcome variable (also called dependent variable) represents the output. The outcome is the presumed effect in a study, contrary to the predictor (or independent variable), which is the presumed cause.

Example

For example, in a microarray study if you measure the expression levels of genes for samples separated into three groups depending on a treatment dose, the outcome variable will be the expression level of a gene, and the predictor varaible will be the group in which each sample belongs.

 

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