Which type of case study investigates multiple research entities for the purpose of cross-unit comparison?
A) Snapshot case study
B) Longitudinal case study
C) Prepost case study
D) Comparative case study
Researchers at the Tuskegee Institute violated ethical principles when they
a. served food containing radioactive substances to developmentally disabled children.
b. withheld treatment for syphilis from black patients for decades .
c. used chemicals to sterilize women involuntarily.
d. withheld antipsychotic drugs from schizophrenic patients in a research project.
An examination of ethical issues in research in the 20th century reveals that
a. the Nazi atrocities in World War II created the only major ethical problems in research.
b. there have been few notable problems in the last 20 years.
c. researchers in the United States have engaged in research practices that seriously violated ethical principles.
d. psychological research has been among the most consistent offenders regarding ethical problems.
Which type of case study investigates one research entity at multiple points in time?
A) Snapshot case study
B) Longitudinal case study
C) Prepost case study
D) Comparative case study
A British researcher claimed to have research results that indicated that autism was caused by compounds in vaccines that children routinely receive. Other scientists who evaluated the research concluded that
a. the link between vaccines and autism was stronger than originally claimed.
b. parents of children with autism acted appropriately when they refrained from having their children vaccinated.
c. parental activism was responsible for bringing this hidden problem to light.
d. there is actually no evidence linking autism and vaccinations.