Historical precedents to psychology
Psychology as philosophy
Psychology as scientific discipline
Scientific Experiment
Field study
Survey
Case study
Single subject research method
Military
Sport
Education
Medical health
Guidance counseling
Criminology
Structuralism
Behaviorism
Gestalt
Behaviorism
Psychoanalysis
Study of behavior and mind
Clinical psychology
Cognitive psychology
Developmental psycholog
Neuropsychology
Health psychology
Forensic psychology
Educational Psychology