NEED WANTED HELP ASAP!
Sara wanted to do a scientific investigation that involved people and their sleep. She hypothesized that all people feel happier if they take only a one-hour afternoon nap each day. Is her hypothesis valuable?
A. Yes; it will finally prove that everyone should have an afternoon nap time.
B. Yes; it will lead to new information on the results of napping.
C. No; feelings are not testable.
D. No; hypotheses must not involve humans.