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Sports Nutrition 424: Quiz 1
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NUTRITION 424: QUIZ 1Q: Compare and contrast the characteristics of epidemiological studies
with those of experimental studies. (3pts)
A: Epidemiological studies are considered observational studies. These
deal with correlations but are not considered experiments. In an
experimental study, there is the case of cause and effect; it is an
experiment.
Q: Define each of the following: (1 pts)
Grade I (Level A) level of evidence
Grade II (Level B) level of evidence
Grade III (Level C) level of evidence
Grade IV (Level D) level of evidence
A:
• Grade I (Level A) is supported by good evidence, consisting of
well-designed, large randomized research studies with high confidence.
• Grade Il (Level B) is supported by fair evidence with less
convincing results due to limited well-designed studies.
• Grade III (Level C) is supported by limited evidence, confidence is
limited to the study size and design.
• Grade IV (Level D) is supported by expert opinions based on the
review of experimental research.
Q: Sports nutrition recommendations should be made based on the
results of one research study. (1 pts)
True/False
Q: The MyPlate plate is divided into four parts-fruits, vegetables,
dairy, and proteins. (1 pts)
True / False
Q: What are the weakest of all scientific findings? (1 pts)
• case studies
• epidemiological studies
• correlational studies
• experimental studies
Q: Epidemiological studies can only establish a correlation. (1 pts)
True / False
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