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

Question

Quizplus · Accepted Answer

Questionnaires and mechanical devices are commonly used to collect primary data, with questionnaires being a traditional method and mechanical devices including tools like sensors and meters for data collection.

What Are the Two Main Types of Research Instruments Used