1879 - Wundt opened the first experimental psychological laboratory
1900- Freud developed psychodynamicapproach and highlighted the importance of the unconscious mind on behaviour (developed psychoanalysis)
1913- Watson and Skinner established the behaviourist approach where they believed all behaviour can be learnt so psychologists should only focus on observable behaviour.
1950s-Rogers and Maslow developed the humanisticapproach which emphasised the importance of freewill in understanding observable behaviour
1960s - cognitiveapproach emerged with the introduction of computers which aimed to study mentalprocesses (how the mind works) from lab experiments
1980s-biologicalapproach surfaced with the advances in technology such as brainscans that helped increase understanding the functioning of the brain.
2000s-cognitiveneuroscience included biological and cognitive approaches to investigate how biological structures influence mental states.