Which of the following factors does not affect internal validity of an experimental design?
1). Maturation of subjects
2). Statistical regression
3). Noise during experiment
4). Pretesting
2. Rorschach ink-blot test is related to measurement of
4. The primary data analysis approach in ethnography is
5. The beauty of the Research thesis can be enhanced
6. With whom is the sociometric technique closely identified?
7. the research problem available in the field of philosophy are called as
8. A null hypothesis can only be rejected at the 5% significance level if and only if ........
9. Measurement reliability refers to the
10. Schedule is filled by ........