Enkindle

  Definition of Variables Variables are an essential concept in the field of research. Variables must be measured regardless of the subject matter of the study. Research would be impossible without variables.            A variable is any entity that exhibits variations. In other words, a variable is any characteristic or concept that is prone to change. Students' exam scores, for instance, are a variable since their scores will vary, i.e., they will receive different marks. Again, the ages of students in a school will be a variable, as individuals will have different ages.            If a concept is not a variable, it is a constant; in this instance, it does not undergo any changes. For instance, the gender of students at a school for females is a constant, as all students will be female.  Defining Variables           Every variable must be theoretically and operationally define...