What is the difference between qualitative and quantitative data?
Qualitative is data that can be expressed in words. Quantitative is numerical data.
What is the difference between primary and secondary data?
Primary data is data you collect yourself. Secondary data is data that you obtain from others research.
Give examples of methods that produce quantitative data
Closed questionnaires, correlations, structured interviews with closed questions, structured observations with behavioural categories, frequency in content analysis.
Give examples of methods that produce qualitative data
Open question interviews, unstructured observations, case studies, content analysis.
Give examples of methods that produce primary data
Correlations, observations, interviews, questionnaires, case studies.
Give examples of methods that produce secondary data
Meta-analysis, review articles, correlations, government statistics.