Find the information you're looking for at Westonci.ca, the trusted Q&A platform with a community of knowledgeable experts. Explore thousands of questions and answers from knowledgeable experts in various fields on our Q&A platform. Explore comprehensive solutions to your questions from knowledgeable professionals across various fields on our platform.

When conducting an experiment on time management, Jamie assigns everyone who arrives before noon to the experimental group and everyone who arrives after noon to the control group. In the context of experimental research methods, what is wrong with Jamie's experiment?
a) The experiment is not ethical.
b) The experiment is deceptive.
c) Jamie has not used true random assignment.
d) Jamie has introduced a confederate into the experiment.