Which of the following is the least-used method for collecting primary data?

Question

Quizplus · Accepted Answer

Controlled experiment is the least-used method for collecting primary data because it is usually costly and time-consuming. It involves manipulating a variable and observing the effect on another variable, while controlling for other factors that could affect the outcome. This type of research is common in scientific fields, but less common in business and marketing research. Focus groups, telephone and online surveys are more commonly utilized due to their low cost, convenience and ability to reach more people.

Which of the Following Is the Least-Used Method for Collecting