If you want to conduct a keyword or author search of research reports published in professional journals, ______ will probably be your best resource.

An online database would likely be the best resource for conducting a keyword or author search of research reports published in professional journals. Online databases are specifically designed to provide access to a wide range of academic and professional publications, making it easier to find relevant research reports. They often have advanced search features and filters that allow users to refine their searches and access the most up-to-date and reliable information. Additionally, online databases often provide access to full-text articles, which can be crucial for conducting in-depth research.