1, Selecting a sample of certificate, diploma, and degree students that is exactly proportional to their numbers in the population is an example of

a.cluster random sampling.

b.stratified random sampling.

c.systematic random sampling.

d.simple random sampling.

2.Qualitative research, as compared to quantitative research, is much more concerned with

a.the context and setting in which the research is done.

b.the equivalence of comparison on groups.

c.the significance of the research questions that are addressed.

d.controlling variance due to extraneous factors.

3.Selecting a sample of certificate, diploma, and degree students that is exactly proportional to their numbers in the population is an example of

a.cluster random sampling.

b.stratified random sampling.

c.systematic random sampling.

d.simple random sampling.

4.n what tense is it suggested that the introduction should be written?

a.Present

b.Future

c.Past

d.None of the above