(Scenario I) Which of the Following Is the Best Conclusion

Multiple Choice

(Scenario I) Which of the following is the best conclusion of this study?

A) The results suggest that pain tolerance can be affected behaviorally, particularly by vocalizing one's discomfort.
B) These data prove that vocalizing one's discomfort to a painful stimulus will increase their pain tolerance.
C) The results of the study show that people who vocalize their discomfort have a greater tolerance for pain, regardless of whether they choose to vocalize their discomfort or not.
D) All of these conclusions are equally acceptable.