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
B
You might also like to view...
Learning refers to relatively permanent changes in thoughts, feelings, or behavior
a. True b. False Indicate whether the statement is true or false
What best describes the potential role of telomeres in the aging process?
a. They are the packets of fuel that feed each cell b. They are "glue" that binds together the base pairs of DNA molecules. c. They are a portion of a chromosome that gets shorter until DNA replication is no longer possible. d. They are the scrubber cells that clear all debris from our arteries.
In the fairytale, Cinderella left behind a glass slipper as she fled the prince's ball at the stroke of midnight. The prince went from house to house in his kingdom and asked all the young women to try on the slipper in order to find the maiden he fell in love with at the ball. The prince used __________ in his quest for the true identity of Cinderella
a. creativity c. divergent thinking b. analogy d. convergent thinking
To become a pediatrician, an individual must have a college degree and
A) 4 years of medical school. B) 3 years of residency. C) a thorough knowledge of child development. D) all of the above