When scientists use the term "biological rhythm," they are referring to ________
a. a periodic, more or less regular, fluctuation in the physiological functioning of a living organism.
b. an awareness of oneself and the environment.
c. a biological fluctuation that occurs less frequently than once a day.
d. a biological fluctuation that is about 24 hours from peak to peak.
Answer: a
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Regarding difference thresholds, which of the following statements is TRUE?
a. Difference thresholds occur when we can first detect some stimulus. b. Difference thresholds occur when we can first detect the change in the intensity of a stimulus. c. Difference thresholds involve the decrease in sensory response to an unchanging stimulus. d. Difference thresholds involve the mental process of organizing sensations into meaningful patterns.
Jerome Kagan's recent studies of shyness found that
a. most children are born as more bold than shy. b. 20% of all children are highly responsive and excitable. c. most people outgrow shyness by the time of college. d. life experiences have little effect on shyness. e. shyness is seldom consistent over time.
Many researchers view the older age for first marriage over the past 50 years in the United States as due to
A) a struggling economy and a lack of financial security. B) young people's inability to form healthy intimate attachments. C) a longer period of experimentation with sexuality and intimacy. D) disadvantages related to living expenses and income tax penalties.
The first true longitudinal study of the effects of giftedness on social success was conducted by __________.
A. Wechsler B. Terman C. Binet D. Merill