If a researcher wants to understand if eating more bananas causes increased irritability, a correlational type of study should perform.
A research design known as a correlational study examines the connections between two or more variables. Since correlational studies are not experiments, no variables are changed or under the experimenter's control.
In addition to other disciplines like medicine, correlational investigations are frequently employed in psychology. A preliminary method of gathering data about a subject is correlational research. The approach is also helpful if experimentation is not possible.
Although the variables themselves are not under the researchers' control, correlations are used by researchers to determine whether a relationship between two or more variables exists. Correlational analysis can show a connection between variables, but it cannot establish that altering one would alter another.
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