There are some variables for university students which are
Physical attractiveness, exam anxiety, intelligence, student’s grades, hours of sleep per night, shyness
(a) Select one variable from the list of variables and think of the second variable that should be positively related to the first variable you have selected before. Briefly describe how would you do correlational study to evaluate the relationship?
(b) Select another variable from the list of variables and think of the second variable which should be negatively related to the first one you have selected. Briefly describe how would you do a correlational study to evaluate the relationship?