Which sampling procedure involves grouping the population and then selecting the groups or the clusters rather than individual elements for inclusion in the sample?

A. Area sampling
B. Cluster sampling
C. Multi-stage sampling
D. Deliberate sampling
✅ The correct answer is option B.
Cluster sampling involves grouping the population and then selecting the groups or the clusters rather than individual elements for inclusion in the sample.

A teacher generally asks questions to his pupils during the lecture, why?

A. Are students listening the lecture attentively
B. To know, which student is brilliant one
C. To know whether the students are understanding the lecture or not
D. To help the students
✅ The correct answer is option C.
To know whether the students are understanding the lecture or not.

A competent teacher must have a sound knowledge about:

A. Practice, concept, theory and research
B. Theory, research, practice and concepts
C. Concept, theory, practice and research
D. Research, practice, concept and theory
✅ The correct answer is option C.
A competent teacher must have a sound knowledge about: concept, theory, practice and research.

Generalised conclusion on the basis of a sample is technically known as

A. Statistical inference of external validity of the research
B. Data analysis and interpretation
C. Parameter inference
D. All of the above
✅ The correct answer is option A.
Generalised conclusion on the basis of a sample is technically known as statistical inference of external validity of the research.

Personalized system of education :

A. Doesn’t inculcate a feeling of socialization in students
B. Doesn’t inculcate a feeling of competition
C. Leads to wastage of time and energy
D. All of these
✅ The correct answer is option D.
Personalized system of education : doesn’t inculcate a feeling of socialization in students, doesn’t inculcate a feeling of competition, and leads to wastage of time and energy.

A research paper

A. Is a compilation of information on a topic
B. Contains original research as deemed by the author
C. Contains peer-reviewed original research or evaluation of research conducted by others
D. Can be published in more than one journal
✅ The correct answer is option C.
A research paper contains peer-reviewed original research or evaluation of research conducted by others.