The database can be accessed through the Databases A to Z page or this direct link.
The American Psychological Association offer these webinars on how to use APA PsychInfo .
https://www.apa.org/pubs/databases/training/webinars
APA PsycInfo: Basic Search, designed for students and researchers new to APA PsycInfo, will show you how to find what you're looking for more efficiently using APA's research databases. Do you find research daunting, or is searching the behavioral science literature a new adventure for you? Do you normally search Google or Google Scholar? There's a better way! Learn time-saving tips to get the best results quickly and easily by using search tools such as controlled language, fields and limits, truncation searching, and cited reference searching.
APA PsycInfo: Advanced Search explores some of the added value features in APA PsycInfo, including Boolean searching, methodology, and classification codes.
APA PsycInfo: Beyond Subject Searching offers behind-the-scenes look at the APA PsycInfo record structure. You will learn how to identify the types of research happening at a particular institution and find the best journals for publishing new work. You’ll also learn how to find information about grants and sponsorships as well as tests and measures, and use this information to find related research.
Look for more recorded sessions on our YouTube channel and explore related APA PsycInfo Training materials.
https://www.youtube.com/results?search_query=apa+psychinfo+training