theory of depression

Albert bandura, behaviorism is a theory of learning and it believes that all behaviors are learned as a result of conditioning.

Juilian rotter,social learning theory and it it basically that people can learn through observing other people.

Martin seligman, positive psychology what this theory is to find a better way to make people that suffer from sadness become a happier person.

Aaron beck,cognitive bahavioral theory focuses on how people think, what they see from vision and hearing, how much they hold and remember and how they react to a stimuli.