Reference no: EM133422075
Questions:
1. Why do researchers use sampling procedures?
2. Why is it risky to rely on the observation of a single case in making generalizations about groups?
3. What are the two basic types of sampling procedures?
4. What are the advantages and disadvantages of each sampling procedure described?
5. What are the steps that must be taken in order to draw a truly random sample? Name two steps that might damage our ability to draw a random sample.
6. What are the critical issues in determining sample size?
7. While it is often necessary for researchers to study large samples in order to examine in detail the influence of many variables, what two basic rules can usefully guide student researchers in determining sample size?
8. Read several articles reporting research results that have been published in professional social and behavioral science journals. What sampling procedures were used?
9. Read an article, a report, or research published in a newspaper, then answer the following questions. If you do not think the article contains enough information, say so. Then guess what might have been done.
a. How was the sample for this study drawn?
b. What type of sample would you say it was?
c. What dummy tables might have been used for this study?
d. What hypothesis might this study have been designed to test?
e. What were the basic concepts in this study?
f. What variables were selected to measure the concepts involved in this study?
g. How were the data collected?
h. What conclusions were reached?
10. Could access to a hospital's admissions database be used to draw a random sample of patients to participate in a study of satisfaction with hospital meals? Why or why not?
11. Give an example of a dummy table to study the influence of political party affiliation on gun control legislation. What questions would you have to ask on a survey
to obtain the data you need to study this relationship?
12. Why do quantitative studies require larger sample sizes than qualitative studies?
13. What is the rationale for using non-random selection techniques for qualitative studies?
14. Why are studies using the internet or cellphones only suspect?