psychologists focus solely on the way we think and feel.; one of the signs that sleep is necessary is that all living creatures; which of the following research questions would not be tested using inferential statistics?; which theory of dreaming claims that dreams are random by-products of brain processes during sleep?; the nervous system is responsible for brainly; an invalid statistical test measure may have questions that are misinterpreted.; why did ted’s palms sweat and heart rate increase on wednesday?; the occipital lobe is the largest lobe in the human brain brainly