Assignment
Answer the following questions briefly, at most 5 sentences.
1. Why are data ephemeral?
2. Why are data corruptible?
3. Cite at most three differences of primary and secondary data?
4. Which one is more reliable to use-secondary data or primary data?
5. For the concept anxiety, write out its indicators, the variables and the values that can measure it.
6. Which types of measures are considered more subjective? Which are more objective?