Psychology is the rigorous and systematic study of mental processes and behaviour. At the core of the IB Psychology course is an introduction to three different approaches to understanding behaviour: Biological approach to understanding behaviour Cognitive approach to understanding behaviour Sociocultural approach to understanding behaviour Course Outline Core: Biological approach to understanding behaviour Cognitive approach to understanding behaviour Sociocultural approach to understanding behaviour Approaches to researching behaviour Options: Abnormal psychology Developmental psychology Health psychology Psychology of human relationships Experimental Study: Use of a scientific approach to investigate an area of psychology