The Idiographicapproach involves obtaining lots of detailed information about individuals
The Idiographic approach uses small numbers of participants and qualitative research e.g. interviews, case studies
The Idiographic approach links to the humanistic and psychodynamic approaches
The Idiographicapproach is subjective which reduces its scientificity
The Nomethetic approach involves the study of large and varied groups to make generalisations
The Nomotheticapproach used quantitative research
The Nomethetic approach is objective so is aligned with the scientific method
The Nomethetic approach links to the biological and behaviourist approaches
The Idiographic approach can contribute to the nomathetic by providing more specific detail on a broad topic
The Idiopgraphic approach is more holistic whereas the Nomathetic can be reductionist
The Idiographic approach is time-consuming
The Idiopgraphic approach contributes to therapies e.g. client-focused therapy derived from the humanistic approach
The Nomothetic approach contributes to the development of drugs
The Nomotheticapproach helps in coming up with laws (classes, principles, dimensions)
The Nomotheticapproach produces more representative samples but loses understanding of the individual
In practive many fields combine the idiographic and nomothetic approaches successfully e.g. NHS enabling general treatments to be tailored to the individual