Loudness is related to the __________ of a sound wave
a. length
b. frequency
c. complexity
d. amplitude
e. pitch
d. amplitude
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People heard subliminal audiotapes that contained messages different from what they were told to expect. For example, tapes about memory or self-esteem might be mislabeled as the opposite. What is the usual outcome of such studies? a. People report improvement in whatever they thought the tapes contained
b. People report improvement in what the tapes actually contained. c. People report improvement in both what actual content and the expected content. d. People do not report improvement in any regard.
Which of the following statements exemplifies the research findings on unipolar depression?
A. The occurrence of major depressive disorder has decreased in recent decades. B. Rates for major depression are equal among men and women. C. African Americans have higher rates of depression than European white Americans. D. Rates of unipolar depression are inversely related to socioeconomic status (SES).
Which of the following is a real example of how social influences contribute to childhood obesity?
Policy decisions made by schools consider cost effectiveness more important than nutritious lunches. Parental practices encourage unhealthy eating at home. Children trade their lunches with other children. Teachers punish children by making them skip lunch.
The average newborn baby has approximately _______ nerve cells in his or her brain
a. 103 million b. 23 billion c. 23 million d. 234,000