Case studies
Idiographic research methods=one person or a small group of people
Triangulation=gathering data from different sources using several different methods.
The research may continue for an extended period of time
Originates in clinical medicine.
Strength= in depth and provides lots of detailed info since using several different methods for research one one person.high in validity.
Weakness=have a limited sample since are only based on one person or a small group. Can’t be generalised to whole population.