types of data evaluation

secondary data strengths

easier to access someone else’s data

cheaper

quicker

no equipment needed

secondary data limitations

may vary in quality

may be outdated

not exactly fit the study

incomplete

primary data strengths

fits the specific research

entirely in control of what is recorded

primary data limitations

time consuming

takes a long time to finish

qualitative data strengths

detailed information

ppts can expand on their thoughts and opinions and elaborate

qualitative data limitations

difficult to analyse and draw conclusions

patterns are hard to identify, lacks generalisation

bias and subjective interpretation

quantitate data strengths

easy to analyse and conduct statistical tests

less bias

less time consuming

quantitative data limitations

lacks detail and meaning