Answer:
two
Explanation:
In research methods, the correlational study is referred to as one of the different types of research designs or methods whereby a researcher attempts to understand the kind or type of relationships various naturally occurring "variables" possess with each other. In other words, a correlation study design attempts to figure-out in what way two or more than two variables are being related to each other.
According to the question above, the correct answer would be "two".
