Key definitions - Copelin Flashcards
(21 cards)
What is primary data?
The data collected specifically for this investigation.
What is secondary data?
The data collected for some other purpose being used here.
Name some sources for PRIMARY data.
- Survey
- Focus group
Name some sources for SECONDARY data.
- Survey (questionnaires) from someone else
- Online (internet)
- Newspapers
- Census
What is qualitative data?
The data which is NOT numerical
What is quantitative data?
THe data which IS numerical
What is continuous data?
Can take any value in a range
What is discrete data?
Can only take certain values in a range
Name a PRO for primary data
- Collected specifically for your investigation
Name a CON for primary data
- Expensive
- Time consuming
Name a PRO for secondary data
- Already collected
- Cheaper
Name a CON for secondary data
- Not specific
- May need proxy
Name a PRO for qualitative data
- Easy to understand
- Informative
Name a CON for qualitative data
- Hard to analyse
- Can only use mode
Name a PRO for quantitative continuous data
- Collects data for every single value
Name a CON for quantitative continuous data
- Large amounts of data
Name a PRO for quantitative discrete data
- Easy to count and analyse
Name a CON for quantitative discrete data
- Averages may be decimals and not make sense
Name some examples of QUALITATIVE data
Name some examples of QUANTITATIVE CONTINUOUS data
Name some examples of QUANTITATIVE DISCRETE data