Rolando realizes that whenever he studies for at least two hours immediately before a physics exam, he gets an A on the exam, but when he does not study immediately before an exam, he gets no higher than a C on the exam. He concludes that the time spent studying immediately before the exams is responsible for his improved grades. Rolando is
A. very probably correct in his conclusion that the time spent studying immediately before his exams is a reason for his improved grades.
B. definitely confusing correlation with causation.
C. probably misguided in that there is no apparent correlation or causation in this situation.
D. likely correct that there is causation, but the causation is more likely running in the opposite direction in that the improved exam grades forced him to study immediately before each test.
Answer: A
You might also like to view...
The Taylor Principle states that central banks raise nominal rates by ________ than any rise in expected inflation so that real interest rates ________ when there is a rise in inflation
A) less; rise B) more; fall C) less; fall D) more; rise
The total of all economic transactions between a nation and the rest of the world is referred to as the
A) balance of payments. B) balance of trade. C) balance of power. D) exchange rate.
The Bureau of Labor Statistics collects _______ measures of unemployment.
A. 4 B. 5 C. 6 D. 7
Jackie, a Canadian citizen, works only in the United States. The value of the output she produces is
a. included in both U.S. GDP and U.S. GNP. b. included in U.S. GDP, but it is not included in U.S. GNP. c. included in U.S. GNP, but it is not included in U.S. GDP. d. included in neither U.S. GDP nor U.S. GNP.