A primary source of scientific results is                   . a. the news media; b. anecdotes from others; c. articles in peer-reviewed journals; d. the Internet; e. all of the above

Verified step by step guidance

1. Identify the options that are commonly recognized as credible and reliable sources of scientific information.
2. Consider the role of peer review in the scientific community and how it contributes to the credibility of the information.
3. Evaluate each option based on whether it typically involves a rigorous review process by experts in the field before the information is published.
4. Recognize that while other sources might occasionally provide accurate scientific information, they do not consistently adhere to the strict standards of scientific reporting and peer review.
5. Select the option that is universally acknowledged within the scientific community for providing thoroughly vetted and reliable scientific results.