Political polls taken before major elections are examples of ______ research

Elderly people who are hard of hearing

are likely to get a hearing aid. compensate with extra social give-and-take. are often excluded from social give-and-take. suffer less from their impairment than older people with poor vision.

Used as a placebo, a saline injection has been shown to be 70 percent as effective as morphine in reducing pain

Indicate whether this statement is true or false