(Choose 1 answer)
A researcher wants to measure the degree of association between two variables, education and product knowledge. Education is measured by asking respondents to choose from one of the four options: less than high school, high school, some college, college graduate. Product knowledge is measured by asking respondents to pick from one of the three options: no knowledge, some knowledge, very knowledgeable.Given this information, which of the following measures would be appropriate?
A. Chi-square test
B. Pearson correlation coefficient
C. Coefficient of determination
D. Spearman rank-order correlation coefficient
E. Scatter plot
