NASM CNC Final Exam Complete Test Bank Study Guide 2023-2024 with Verified Correct Answers Marked

Document Content and Description Below

NASM CNC Final Exam Complete Test Bank Study Guide 2023-2024 with Verified Correct Answers Marked Scientists find that a protein supplement increases lean mass in the elderly. However, they caution t... hat the results may not apply to other populations, like younger people. What term best describes what the scientists are referring to? A. External validity B. Selection bias C. Test-retest reliability D. Reliability A. External validity A scientist proposes that sugar is inherently fattening, and performs a study comparing a high-sugar diet to a low-sugar diet with equal calories. He finds that fat gain was the same between the diets. Which term describes how this study effects the initial proposal? A. Falsification B. Prediction C. Scientific method D. Validity A. Falsification Which term describes a variable in an experiment for which a scientist takes no steps to account for? A. Validity B. Dependent variable C. Independent variable D. Uncontrolled variable D. Uncontrolled variable Seven studies show Diet A lowers cholesterol more than Diet B. Three studies show no difference. Assuming all the studies are equivalent in quality, which item best describes this situation? A. The weight of the evidence suggests Diet A is more effective for lowering cholesterol than Diet B, but more data is needed. B. There are insufficient studies to conclude that Diet A lowers cholesterol more than Diet B. C. It is unknown whether Diet A lowers cholesterol more than Diet B. D. The weight of the evidence suggests that Diet A and B are equivalent in their ability to lower cholesterol. A. The weight of the evidence suggests Diet A is more effective for lowering cholesterol than Diet B, but more data is needed. Scientists gather 20 studies looking at the relationship between protein intake and lean body mass, and then they statistically analyze them together as a group. What type of study is this? A. Narrative review B. Meta-analysis C. Randomized controlled trials D. Observational research B. Meta-analysis A scientist proposes that sugar is inherently fattening, and performs a study comparing a high-sugar diet to a low-sugar diet with equal calories. He finds that fat gain was the same between the diets. Which term describes how this study effects the initial proposal? A. Falsification B. Scientific method C. Prediction D. Validity A. Falsification [Show More]

Last updated: 1 year ago

Preview 1 out of 74 pages