The sampling technique in which every element of the population has an equal, nonzero probability of being selected in a sample, is called
1). Probability sampling
2). Convenience sampling
3). Purposive sampling
4). Quota sampling
1. A survey of population is equivalent to
2. The fundamental assumption of experimental method is related with
3. Data analysis in qualitative research, as contrasted with quantitative research is generally
4. One of the aims of the scientific method in research is to: (June-2006)
6. which of the following statement is wrong about the research
7. The factual aims are most important in-