One danger in selecting a research problem based on personal interest or experience is that
a. there may be no adequate unit of analysis.
b. it limits the researcher to cross-sectional research designs.
c. people may fail to see the scientific worth of the research.
d. it makes it difficult to develop quantitative research designs.
Which of the following are ways of avoiding the ethical problem of withholding treatment from a control group without imperiling the scientific integrity of the research?
a. Give the control group a treatment that is known to be effective, and delaygiving the new treatment to the control group for a period that will allowappropriate comparisons to be made.
b. Delay giving the treatment to the control group for a period that will allowappropriate comparisons to be made.
c. Give the treatment to the control group and then withdraw the treatment.
d. Give the control group a treatment that is known to be effective.
On the issue of advocacy, Karl Marx would likely argue that
a. researchers should promote uses of their research that alleviate social ills.
b. ultimately we cannot resolve the problem of advocacy.
c. science should remain value free.
d. advocacy can only bring negative consequences.