Randy meets a Californian who grows his own vegetables and refuses to eat nonorganic food. Randy concludes that Californians are overzealous about nutrition. Which critical thinking guideline did Randy overlook?

Gazzaniga's research with P.S., a split-brain patient, showed that

(a) there is no way thoughts can get repressed into the unconscious (b) one brain hemisphere could affect behavior without the other hemisphere knowing about it (c) Freud may have been right about unconscious processes in split-brain patients, but not in non-split-brain patients (d) the unconscious mind is most strongly at work in split-brain patients

Elderly people experience a decline in their taste and smell sensitivity because of all but which of the following?

a) They have fewer taste buds on the tongue. b) They use too much salt on their food. c) Their olfactory bulbs on the brain begin to shrivel. d) They no longer perceive food as appetizing.