Under which of the following conditions should one NOT use Pearson correlation coefficient?
A)When the researcher wants to determine if two variables have a linear relationship
B)When the researcher wants to determine if two variables have a curvilinear relationship
C)When the two variables have been measured using interval scales
D)When the two variables have been measured using ratio scales
E)When the two variables come from a bivariate normally distributed populations

Question

Quizplus · Accepted Answer

Pearson correlation coefficient assumes a linear relationship between the two variables, therefore, it should not be used when the researcher wants to determine if two variables have a curvilinear relationship.

Under Which of the Following Conditions Should One NOT Use