Which of the following statements about the interpretation of correlations is NOT true?
a. Just because two variables are correlated doesn't mean that one necessarily caused the other.
b. There is nothing in correlation analysis that can be used to establish causality.
c. When you obtain a statistically significant correlation coefficient between two variables, you can safely assume that one variable caused another.
d. All that analytical procedures can do is measure the nature and degree of association between variables.
e. Statements of causality must come from underlying knowledge and theories about the phenomena under investigation.
Question 2
Iris owns an online swimwear company. The registration page on the company website includes a lot of drop-down menus. What is the most likely reason Iris chose to use drop-down menus on her registration page?
a. Drop-down menus reduce data entry errors.
b. Drop-down menus are easier to program.
c. Research has shown that customers find drop-down menus tactilely appealing to operate.
d. Research has shown that websites with drop-down menus generate more sales.
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