1. The research is always -
(A) verifying the old knowledge
(B) exploring new knowledge
(C) filling the gap between knowledge
(D) all of these

2. The research that applies the laws at the time of field study to draw more and more clear ideas about the problem is:
(A) Applied research
(B) Action research
(C) Experimental research
(D) None of these

3. 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

4. The process not needed in experimental research is:
(A) Observation
(B) Manipulation and replication
(C) Controlling
(D) Reference collection

5. A research problem is not feasible only when:
(A) it is researchable
(B) it is new and adds something to knowledge
(C) it consists of independent and dependent variables
(D) it has utility and relevance