There are many ways to classify psychology, and different dimensions have different angles.
Give you a rough comb. According to the angle of scientific research, the classification of psychology is: 1: general psychology; 2. Applied psychology;
The above subjects, developmental psychology and educational psychology, are all branches of applied psychology, that is to say, applied psychology in this dimension actually serves a certain field of a specific society, while general psychology is often used to construct theories. In general psychology, the research on the general law of psychological phenomena is often divided into several fields: feeling and perception; Learning and memory; Thinking and speech; Emotion and will; Personality and individual psychological characteristics.
Therefore, general psychology is the basis of all psychology. General psychology is to decompose people's psychology and then construct a theory with specific behavioral responses. Applied psychology is to use this basic theory of general psychology to specifically study what behavior phenomena exist in real life, that is, to face specific objects.
If you want to ask what the contents of these books are different, it is easy to explain.
Basic psychology, this book is the most basic content, covering the widest range but the shallowest depth, mainly telling you some basic theories and principles in psychological research. (This is different from the meaning of the research field of general psychology I mentioned above. )
The above division has nothing to do with the contents of the book. My division is only based on scientific research.
The book Developmental Psychology is about various mechanisms and principles of people's psychological behavior from birth to death.
The book Applied Psychology is about specific aspects of society, such as criminal psychology, educational psychology and clinical psychology. And the content involved is also very simple. In fact, it's just a book about applied psychology.
You'd better look at it yourself, so that you can have a logical definition in your mind, otherwise it's not clear how others can summarize it for you, because the boundaries here are not clearly expressed by words. They are all divided in different dimensions, but they are not completely distinguished.