The most common instrument used to collect primary data is the ____.
A)human eye (through observation)
B)Internet (e.g. ,e-mail surveys)
C)bar code reader at stores (behavioral data research)
D)video camera (e.g. ,focus group research)
E)questionnaire

Question

Quizplus · Accepted Answer

A questionnaire is the most common instrument used to collect primary data as it allows for standardized and structured data collection from a large sample size. Other options listed may also be used depending on the research design and objectives, but they are not as commonly used as questionnaires.

The Most Common Instrument Used to Collect Primary Data Is