A student is writing a research report for her science class about ideas for reducing head injuries in football. The student must use sources that are credible, trustworthy, and relevant for the topic. Which of these is MOST LIKELY a credible and trustworthy source that is relevant for the topic? A. an article in a sports medicine journal about studies that have been done on practices that have lowered head injury rates B. a blog written by a football player who is not in favor of making changes to the rules or equipment of the sport C. an entry in an online encyclopedia about the history of football and how head protection has changed over time D. a petition signed by 15,000 football players who want steps to be taken to reduce the number of head injuries in football

A. an article in a sports medicine journal about studies that have been done on practices that have lowered head injury rates

The most likely credible and trustworthy source that is relevant for the topic would be A. an article in a sports medicine journal about studies that have been done on practices that have lowered head injury rates. This source is likely to provide scientific research and evidence-based information on reducing head injuries in football.

The most likely credible and trustworthy source that is relevant for the topic of reducing head injuries in football would be option A, an article in a sports medicine journal about studies that have been done on practices that have lowered head injury rates. To determine the credibility and trustworthiness of a source, it is important to consider the following factors:

1. Authoritative and reputable source: A sports medicine journal is typically considered a reliable source for scientific research and studies related to sports injuries and prevention.

2. Academic research and study: An article in a sports medicine journal suggests that the information provided is based on scientific research and empirical evidence. This indicates that rigorous analysis and evaluation have been conducted, increasing the credibility of the information.

3. Expertise and qualifications: The authors of the article are likely to be experts or professionals in the field of sports medicine, which strengthens the reliability and trustworthiness of the source.

4. Relevance to the topic: As the topic is reducing head injuries in football, an article specifically discussing studies on practices that have lowered head injury rates directly addresses the research question and provides relevant information.

Therefore, option A, an article in a sports medicine journal about studies that have been done on practices that have lowered head injury rates, is the most likely credible and trustworthy source for the student's research report.