The limitation of the probability sample is
1). It does not guarantee representativeness of the sample from a population
2). The data do not fulfill the standards of the normal probability curve
3). It has great risk of generalization of the results
4). All the above statements are correct.
2. Which of the following is desirable in a questionnaire?
4. There is only person who has defined Educational Research. He is
5. A proposition which can be put to determine its validity is called
6. What consideration a rating procedure involves?
7. Pre-test-post-test randomized matching control group design is an example of
8. The research problems available in the field of philosophy are called as
9. Generally the format of research resembles with
10. If a baseball coach calculates batting averages, what scale would be used?