what is qualitative data ?
descriptive data usually gained through a interview or unstructured observations
advantages of qualitative data ?
rich in detail , gain information on meaning of behaviour , higher external validity as its more meaningful than numbers
disadvantages of qualitative date ?
difficult to interpret , subjective and make comparisons between participants so researcher bias is more likely to invalidate results
what is quantitative data ?
numerical data like scores or closed questionnaires
advantages of quantitative data?
easier to analyse as it is more objective so easier to make comparisons between participants and more likely to be valid so less chance of researcher bias
disadvantages of quantitative data ?
lacks detail as it does not allow participants to explain their answers and give reason so does not allow insight and interpretations could be unreliable