You can read the textbook online or download a PDF, all for free! If you prefer to have a print copy, you can order low-cost textbooks from Amazon. Make sure to access the Amazon link through the OpenStax website.
Check out Khan Academy's YouTube videos. Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. They have also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
The American Psychiatric Association is a medical specialty society with over 38,000 member physicians working to ensure humane care and effective treatment for all persons with mental disorder, including mental retardation and substance-related disorders.
Founded in 1988, the Association for Psychological Science (previously the American Psychological Society) is a nonprofit organization dedicated to the advancement of scientific psychology and its representation at the national and international level.
The Cognitive Science Society brings together researchers from many fields, including cognitive science, artificial intelligence, linguistics, anthropology, psychology, neuroscience, philosophy, and education, who seek to understand the nature of the human mind.
The mission of the NIMH is to transform the understanding and treatment of mental illnesses through basic and clinical research, paving the way for prevention, recovery and cure. Check out their Science News section.