If an Ecological Study Shows a Strong Positive Correlation Between

Multiple Choice

If an ecological study shows a strong positive correlation between per capita alcohol consumption and breast cancer incidence rates in European countries we can draw
The following conclusion:

A) Alcohol consumption is a risk factor for breast cancer
B) Breast cancer rates are higher in countries with higher alcohol consumption
C) We cannot draw any conclusions because the association could be due to selection bias
D) We cannot draw any conclusions because the measurement of alcohol consumption is likely to be unreliable
E) Women who drink more alcohol are more likely to develop breast cancer but this does not mean that the association is causal