Question

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

Answer 1

no; feelings are not testable

Answer 2

thx