In a study examining the effects of a new diet on weight loss, participants lost an average of 0.5 pounds over 6 months with a p-value of 0.04. How should these results be interpreted?

• A. The results have a large effect size and are of great practical significance.
• B. The results are statistically significant but of questionable practical significance.
• C. The results are not statistically significant and have no practical significance.
• D. The results are not statistically significant but have a large practical significance.

Answer: (B)