Author Question: After reading Chapter 2 (Methodology), what would you say to a president who proudly takes credit ... (Read 70 times)

student77 · **on:** Jun 22, 2018

After reading Chapter 2 (Methodology), what would you say to a president who proudly takes credit for the following events happening during his term: lowering the deficit, reducing crime, and increasing literacy?

a. It's clear you were effectiveyou have my vote
b. Correlation does not mean causation.
c. Did you sample the entire population?
d. Archival data are often suspect.

Question 2

Why is it unwise to conclude that if two variables are correlated, one must have caused the other?

a. Variables can never be measured with complete accuracy.
b. Any single variable is bound to have multiple causes.
c. Some unmeasured third variable might make them appear related when in fact they are not.
d. It is impossible to conclude that two variables are related unless one can measure them perfectly.