1. When participants use their social networks to refer others the sampling type used is

a.Random sampling

b.Purposive sampling

c.Quota sampling

d.Snowball sampling

2. Which of the following is not part of the methods section of a research proposal?

a.A plan for the dissemination of the results.

b.A plan for data analysis

c.A plan for obtaining a sample of participants

d.A plan for measuring pertinent variables

3. In what tense is it suggested that the introduction should be written?

a.Present

b.Future

c.Past

d.None of the above

4. 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.