So here we go:
Behaviourism: The study of how humans react to the environment
Cognitive Psychology: The study of the mental processes that are involved in memory, learning and thinking
Structuralism: The study of how humans change their behaviours to adapt to changes in their surroundings
Humanism: The belief that human beings are capable of making choices, and that most behaviors are not determined by environmental factors or human drives.
Psychoanalysis: The process of a patient describing their feelings or experiences to a trained professional in the hopes of discovering unconscious thoughts that the patient has.
Functionalism: Observation of the inner-workings of human beings by conducting various experiments to see how humans experience perception and sensation.