Questions: A blog noted that "there has been increasing anecdotal evidence that vitamin C may still be useful as an anticancer medicine if used in high concentrations and given directly into the vein (intravenously)." Use this information to answer the questions below. A. They are always more accurate than scientific evidence. B. They have the strongest strength of evidence out of all types of evidence. C. They are stories about multiple cases. D. They are stories about individual cases. What kind of conclusions, if any, can be made from anecdotal evidence? A. No cause-and-effect conclusions can be drawn from anecdotal evidence because cause-and-effect conclusions can never be drawn no matter the situation. B. No cause-and-effect conclusions can be drawn from anecdotal evidence because there could be other outside factors related to Vitamin C and cancer influencing the results. C. Cause-and-effect conclusions can be drawn from anecdotal evidence because cause-and-effect conclusions can be drawn in all situations. D. Cause-and-effect conclusions can be drawn from anecdotal evidence because the evidence clearly shows a one-way relationship.

Solution Steps

The question asks about the nature of anecdotal evidence. Anecdotal evidence refers to stories or reports about individual cases rather than systematic studies or data. It is often based on personal experiences or observations.

• A. They are always more accurate than scientific evidence.
  This is incorrect because anecdotal evidence is generally less reliable than scientific evidence, which is based on systematic research and controlled experiments.
• B. They have the strongest strength of evidence out of all types of evidence.
  This is incorrect because anecdotal evidence is considered weak compared to scientific evidence.
• C. They are stories about multiple cases.
  This is incorrect because anecdotal evidence typically refers to individual cases, not multiple cases.
• D. They are stories about individual cases.
  This is correct because anecdotal evidence is based on individual stories or experiences.

The question asks what kind of conclusions, if any, can be made from anecdotal evidence. Anecdotal evidence is not sufficient to establish cause-and-effect relationships because it lacks control over variables and may be influenced by other factors.

• A. No cause-and-effect conclusions can be drawn from anecdotal evidence because cause-and-effect conclusions can never be drawn no matter the situation.
  This is incorrect because cause-and-effect conclusions can be drawn in some situations, but not from anecdotal evidence alone.
• B. No cause-and-effect conclusions can be drawn from anecdotal evidence because there could be other outside factors related to Vitamin C and cancer influencing the results.
  This is correct because anecdotal evidence does not account for confounding variables or other factors that could influence the results.
• C. Cause-and-effect conclusions can be drawn from anecdotal evidence because cause-and-effect conclusions can be drawn in all situations.
  This is incorrect because anecdotal evidence is not sufficient to establish cause-and-effect relationships.
• D. Cause-and-effect conclusions can be drawn from anecdotal evidence because the evidence clearly shows a one-way relationship.
  This is incorrect because anecdotal evidence does not provide enough evidence to establish a one-way relationship.

Final Answer