NASM CNC EXAM QUESTIONS AND ANSWERS GRADED A+ | LATEST 2023

NASM CNC EXAM QUESTIONS AND ANSWERS GRADED A+ | LATEST 2023 A scientist hypothesizes that a supplement will increase resistance training performance. A study is carried out, and the results do not support the hypothesis. Multiple studies by independent labs also fail to support the hypothesis. What is the appropriate response regarding the hypothesis? Select one: a. The predictions have been falsified and the hypothesis is discarded. b. The predictions have been falsified but the hypothesis is upheld. c. The predictions have been confirmed but the hypothesis is discarded. d. The hypothesis should continue to be tested. - Correct Answer - a. The predictions have been falsified and the hypothesis is discarded. Scientists find that a protein supplement increases lean mass in the elderly. However, they caution that the results may not apply to other populations, like younger people. What term best describes what the scientists are referring to? Select one: a. Selection bias b. Reliability c. External validity d. Test-retest reliability - Correct Answer - c. External validity Which term refers to a proposed explanation for a set of observations? Select one: a. Hypothesis b. Randomized controlled trial c. Theory d. Prediction - Correct Answer - a. Hypothesis