gathered by the researcher first hand to answer a specific research question.
evaluation of primary data?
+ more reliable and valid due to high control - costs a lot and time consuming
what is secondary data ?
information that has been gathered for other research purposes. the relevant data is is identified and analysed in a way that allows conclusions to be drawn
evaluation of secondary data?
+ quick easy + cost efficient - less reliable
what is qualitative data ?
words, interviews, questionnaires with open ended questions , can be converted to quantitative, behaviour not measured but explored
evaluation of qualitative data ?
+ in depth - time consuming
what is quantitative data ?
numerical data, experiments and correlational data, behaviour is measured, descriptive statistics, inferential statistic tests
evaluation of quantitative data?
+ easy to analyse and compare - can't go into depth