1. How can the objectivity of the research be enhanced?
(A) Through its impartiality
(B) Through its reliability
(C) Through its validity
(D) All of these



2. Action-research is:
(A) An applied research
(B) A research carried out to solve immediate problems
(C) A longitudinal research
(D) All the above



3. The basis on which assumptions are formulated:
(A) Cultural background of the country
(B) Universities
(C) Specific characteristics of the castes
(D) All of these



4. Which of the following is classified in the category of the developmental research?
(A) Philosophical research
(B) Action research
(C) Descriptive research
(D) All the above



5. We use Factorial Analysis:
(A) To know the relationship between two variables
(B) To test the Hypothesis
(C) To know the difference between two variables
(D) To know the difference among the many variables