Which of the Following Would Be an Example of Experimental

Multiple Choice

Which of the following would be an example of experimental mortality?

A) a subject deciding that he/she wants to participate
B) inmates in an experiment at the state maximum-security prison being moved to a minimum-security state prison
C) police officers within one year of retirement participating in a job-satisfaction study
D) police officers changing their behavior during a study because of a new law that was passed