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The following outline is provided as an overview of and topical guide to psychology:
Psychology refers to the study of subconscious and conscious activities, such as emotions and thoughts. It is a field of study that bridges the scientific and social sciences and has a huge reach. Its goal is to comprehend individuals and groups by both establishing general principles and researching specific cases. Psychology is the study of people and the reasons for their behavior. It has grown in popularity in the last few decades and is now an undergraduate course at many universities.
There are a variety of psychology branches that people specialize in, as outlined below. 
List of psychology disciplines
Psychological schools – some examples of psychological schools follow (the most prominent schools are in bold):
History of psychology
List of psychological research methods