172. Which of the following can be termed as most import task in teaching among the given?

A. Directing students in development of experiences
B. Making monthly reports and maintaining records
C. Making assignments and checking worksheets
D. All of the above
✅ The correct answer is option A.
Directing students in development of experiences.

175. Which type of research method is normally employed by the media?

A. Secondary analysis
B. Content analysis
C. Unobtrusive measures
D. Natural experiment
✅ The correct answer is option B.
Media research methods are the practical procedures for carrying out a research project. These methods include content analysis, surveys, focus groups, experiments, and participant observation. Research methods generally involve either test subjects or analysis of media.

176. Which of the following research method requires a researcher to freely pick up a problem, redesign the enquiry as he proceeds and is prepared to conceptualize as he wishes?

A. Historical research
B. Conclusion-oriented research
C. Decision-oriented research
D. None of the above
✅ The correct answer is option B.
Conclusion-oriented research requires a researcher to freely pick up a problem, redesign the enquiry as he proceeds and is prepared to conceptualize as he wishes.

177. When a research problem is related to heterogeneous population, the most suitable sampling method is

A. Cluster sampling
B. Stratified sampling
C. Convenient sampling
D. Lottery method
✅ The correct answer is option B.
When a research problem is related to heterogeneous population, the most suitable sampling method is stratified sampling.