the idiographic approach focuses more on the individual case as a means of understanding behaviour, it focuses on recognition of uniqueness, uses subjective experiences
the nomothetic approach aims to study human behaviour through the development of general principles and universal laws, attempts to generalise people, uses objective knowledge, based on numerical data
features of idiographic approaches:
study of individuals - to better understand human behaviour
small numbers of participants
generalisations can be made, but focus is on understanding the individual
qualitative
subjective
features of nomothetic approaches:
study large and varied groups
makes generalisations about what is typical in different aspects of human behaviour