The separation of the causes of normal aging versus pathological aging is a goal of:
a. the wear and tear theory c. androgyny
b. the biological limit theory d. gerontology
D
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Zajonc’s drive theory (compresence) explanation of the impact of others on performance assumes that an audience increases
a. mental effectiveness. b. arousal. c. physical strength. d. distraction. e. apprehension over evaluation.
Which device would a sleep researcher use to monitor a sleeping person's brain waves?
A) electromyogram (EMG) B) electrocardiogram (EKG) C) electro-oculogram (EOG) D) electroencephalogram (EEG)
Which of the following statements about life expectancy is true?
A) The gender gap in life expectancy has widened in industrialized nations since the early 1970s. B) In the United States, an African-American child born in 2010 is likely to live 3 to 6 years longer than a Caucasian child. C) Length and quality of life can be predicted by a country's health care, housing, and social services, along with lifestyle factors. D) When researchers estimate average healthy life expectancy, the United States ranks first among industrialized nations.
True or False: Correlation coefficient is a synonym for Pearson’s r.
a. True b. False