What does research find about the relative effectiveness of placebos?
A) ?Surgery has more placebo effect than injections.
B) ?Pills have more powerful effects than injections.
C) ?Treatments that cost less produce greater effects.
D) ?Taking more or fewer doses makes no difference.
A
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Why have scientists recently begun to realize that some of their long-held beliefs about the aging brain were false?
People are living longer. Older people have become more aware of their own brain functioning. Noninvasive imaging techniques that can be done on live brains have become available. More laboratory analyses of brains of deceased Alzheimer's patients have been conducted.
Which statement best describes the importance of Stanley Milgram's classic research?
a) Individuals easily conform to group norms. b) The presence of other people makes aggression more likely. c) People will easily obey an authority figure and do harm to others. d) People like teachers with higher levels of education are less likely to be obedient.