One of the challenges of conducting health research is that it is impossible, and unethical, to manipulate certain variables, such as sexual behaviors or smoking. The research design that examines differences between groups without manipulating these groups is
A) experimental
B) ex post facto
C) random assignment
D) longitudinal
Question 2
Researchers want to examine whether writing about the experience of breast cancer increases feelings of hope and optimism. Breast-cancer patients were randomly assigned to one of two essay conditions: writing about their breast cancer or writing about
A) hope and optimism.
B) breast cancer diagnosis.
C) writing about everyday tasks.
D) the essay conditions.
Much time and effort occurs between the development of a research idea and the statistical analysis
The health history can be gathered from many sources
Cross-sectional data showing that the amount of effort spent on personal health care increases with
A partnership between the patient and the health care provider.
Health care setting.
Disease: Major environmental health problems