If a Subject Agrees to Participate in a Research Project

Multiple Choice

If a subject agrees to participate in a research project but drops out before the study is complete

A) the subject should be required to provide another person as a substitute.
B) the subject should be informed that he or she has a legal obligation to complete the project.
C) the subject should be penalized in some way.
D) nothing should be done, because the subject has the right to withdraw.