The goal of correlation research strategy is to show that two or more variables are related, like good grades and hours of sleep, for example. However, correlational research cannot be used to demonstrate a cause and effect relationship between variables. This kind of strategy It is useful for preliminary research and verifies if those two variables are effectively related before starting deeply investigations in controlled experiments. The data collected of a correlational study is expressed by scores for each participant and are correlated in a graph called scatter plot to posterior analysis and evaluation of each pair of scores. Three important aspects are considered to measure the relationship between the variables: the direction, form, and consistency of the relationship. The direction of a relationship differs in two ways. It can be positive, as the number on the X-axis increases, so does the number on the Y-axis, an...