Data Collection Methods Quiz

Observation

Inference (correct)

Survey

Interview

Primary data is more reliable than secondary data

Primary data is collected firsthand, while secondary data is collected by someone else (correct)

Secondary data is always cheaper to collect than primary data

Primary data is only collected through surveys

It is not ethical to use

It is too expensive to collect

It is too time-consuming to collect

It may not accurately represent the population being studied (correct)