All of the options listed can be considered credible sources, provided they meet specific criteria for reliability and accuracy. Therefore, the correct answer is:
All of the above.
- Materials published within the last 10 years tend to provide more current information, which is often important in fields where knowledge is rapidly advancing.
- Research articles written by respected and well-known authors usually have undergone peer review, adding to their credibility.
- Websites registered by government and educational institutions (.gov, .edu, .org) are generally reliable due to their authoritative nature.
- Academic databases often curate high-quality, peer-reviewed research, making them excellent sources for scholarly information.
In summary, all these types of sources can be credible, depending on the context and the specific details surrounding their publication or authorship.