Suppose you heard on the radio that women who overuse antibiotics have a higher chance of developing breast cancer.You look into the literature on this, and find ten observational studies done by different researchers under different conditions, all of which confirm the results that you heard on the radio.What do you conclude?
A)The evidence for a causal connection between overuse of antibiotics and increased risk of breast cancer is strengthened by these varying studies.
B)These studies have too many different confounding variables that together weaken the evidence for a causal connection.
C)Since the studies were all done under different conditions, there is not enough information to make a conclusion.
D)None of the above.

Question

Quizplus · Accepted Answer

The fact that different studies, conducted under different conditions, have all found a positive association between overuse of antibiotics and increased risk of breast cancer strengthens the evidence for a causal connection between the two variables. This consistency in results suggests that the relationship is not just due to chance, but rather a true effect. It is important to note that observational studies cannot prove causation, but the consistency in results across multiple studies can provide strong support for a causal relationship.

Suppose You Heard on the Radio That Women Who Overuse