Longitudinal studies ( research methods) Flashcards
what is a longitudinal study
conducting a study and monitoring it over a long period of time at regular intervals
what are strengths of longitudinal studies
- favoured by positivists and interpretivists
- gain in depth understanding (verstehen) of qualitative data over time
- spot trends and patterns over time by using quantitative data
- build rapport over time
what are limitations of longitudinal studies
- time consuming and long term funds needed
- risk of going native
- sample attrition - not reliable or valid
- large amounts of data - hard to analyse
what is the census study
a questionnaire sent out to every household every 10 years
what is the 7-Up study by michael apted
interviewed 13 british children all aged 7
repeated his interviews with the same children again , 7 years later
- kept interviewing the children 7 years later for 7 years
what is the national child development survey - douglas
aimed to study the very child born between 3rd to 5th of march - some 17,000 people
- parental interest for children became increasing important from primary to secondary school
what is the northwest longitudinal study
- followed several hundred young people from the ages 14 to 18
- aim to understand how ordinary people developed attitudes towards availability of drugs , alcohol
- used questionnaires which was given to the same people 5 years later
- as study progressed participants were lost from the study - particularly those from wc and asian backgrounds