Total error in a research is equal to
1). sampling error * 100
2). SQRT [(sampling error) + (non -sampling error)]^2
3). only sampling error
4). sampling error + non-sampling error
2. Research related to abstract ideas or concepts is
4. Which one of them is the method for probing the respondent?
5. Which of the following is true concerning observation?
6. The definition of TIPPIT table is
7. Which is not correct about non-parametric test of significance?
8. In the statement Smoke badly destroys health of people what is the unit of analysis?
9. In evaluating the significance of the research problem, an important social consideration is
10. How many variables should be changed at a time when conducting a single-case design?