Author Question: A researcher discovers a strong positive correlation between ice cream sales and the incidence of ... (Read 89 times)

geoffrey · **on:** Jun 22, 2018

A researcher discovers a strong positive correlation between ice cream sales and the incidence of violent crimes. Based on this, we can conclude that

a. we should recommend cutbacks in the sales of ice cream because it unexpectedly seems to increase aggression.
b. if we manage to control crime rates, ice cream sales will probably decrease.
c. somehow eating ice cream is causing people to become violent.
d. on a day when ice cream sales are high, there are likely to be more violent crimes.

Question 2

Which of the following is used in experiments, but not in the correlational method?

a. measurement of a variable such as how aggressive or how helpful people are
b. systematically manipulating the situation
c. representative sampling of people from a population
d. surveys