The owners of the Syfy channel are interested in whether watching the Syfy channel causes people to become "geeky," and if so, whether any such effects depend on a person's gender. They hire a researcher to design and carry out the appropriate study. The researcher randomly assigns an equal number of men and women to watch 0, 3, 5, or 9 hours of the Syfy channel each week for 6 weeks. What is the research hypothesis for the main effect of hours watched?
A) Watching the Syfy channel causes people to become "geeky."
B) The effect of watching the Syfy channel on "geekiness" depends on a person's gender.
C) The number of hours watched of the Syfy channel influences a person's "geekiness."
D) The effect of watching the Syfy channel on "geekiness" is not influenced by a person's gender.