What are the two main types of research instruments used to collect primary data?
A) observation scales and personal interviews
B) questionnaires and mechanical devices
C) focus groups and mechanical devices
D) focus groups and questionnaires
E) personal interviews and online focus groups

Question

Quizplus · Accepted Answer

Questionnaires and mechanical devices are the two main types of research instruments used to collect primary data, as they allow for structured data collection and can be used in various research settings.

What Are the Two Main Types of Research Instruments Used