Praxis 5857 Practice Test

Total Questions: 127 (Free preview: first 5 only)

Question 1 of 127

Which of the following would be the most valid source of health information?

A. An article on vitamin supplements written by a nutrition expert and quoted on a commercial website
B. An article on weight-lifting techniques written for a fitness magazine by a body builder
C. An article on weight loss written for a newspaper article by a person who has lost 45 pounds
D. An article about caffeine use written by a registered dietician appearing on a professional organization's website Correct

Rationale: Option D stands out as the most valid source of health information due to its authorship by a registered dietitian, a qualified professional with expertise in nutrition and health. Furthermore, its appearance on a professional organization's website ensures credibility and adherence to industry standards.

Option A lacks validity as the article is hosted on a commercial website, which may prioritize profit over accuracy, despite being authored by a nutrition expert.

Option B, while written by a bodybuilder, may reflect personal experience rather than evidence-based information, limiting its reliability.

Option C, though authored by someone with a personal success story, relies on anecdotal evidence rather than scientific research, making it less trustworthy.

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