WU Sampling and Research Design Question

Part 1:

What kinds of sampling designs would be used for the following cases and why? Please, provide an explanation.

1.A study to get a quick idea of the medical acceptability of a new aspirin substitute which cannot be dispensed over the counter without prescription.

2.A study involving a sample of 325 students in a university where 2,000 students are enrolled (both with and without replacement).

3.An investigation of the career salience of professionals in the fields of medicine, engineering, business, and law.

4.The generalizability of the attitudes of blue-collar workers from a sample of 184 to the total population of 350 blue-collar workers in the entire factory of a particular company.

Part 2:

1.You want to investigate the customers’ emotional responses to failed service encounters across industries. Please discuss and provide reasons for your choices of research design to conduct above.

2.Discuss the advantages
and disadvantages of personal and telephone interviews.

Please use at least 3-6 references for each Part 1 and Part 2.