The validity and reliability of a research will be at stake when
1). The author who is the source of information is biased, incompetent or dishonest
2). The incident was reported after a long period of time from that of its occurrence
3). The researcher himself is not competent enough to draw logical conclusions
4). All of the above
1. Among the following with whom the fundamental assumptions of experimental method is related to
3. "Criteria of Good Research" is written by
4. Data related to geophysical characteristics are called
5. Who is regarded the father of scientific social surveys ?
6. For Data Analysis ........ time can be devoted
7. The meaning of ExPost Facto Research is
8. ........ is the failure to reject a false null hypothesis.
9. In ........ the main purpose is to formulate a problem for more precise investigation