Def

Some topics that 'pure' psychologists may study are: how behavior changes with development, when a behavior is instinctive or learned, how persons differ, and how people get into trouble. 'Applied' psychologists may use scientific knowledge to find better ways to deal with adolescents, to teach, to match persons with jobs, and to get people out of their troubles. Accordingly, several branches exist of psychology: developmental psychology, animal psychology, educational psychology, psychotherapy, industrial psychology, psychology of personality, social psychology, are but some of them.




Animal behavior is studied by psychologists mainly in laboratory. The study of animal behavior in their natural habitats is undertaken by the science of ethology. The comparative study of human and animal behavior is one of the sources of evolutionary psychology, that tries to understand how evolution has shaped the way we think and feel