____ is best defined as physical changes that mark the transition from childhood to young adulthood.
A. Puberty
B. Menopause
C. Primary circular reactions
D. Secondary circular reactions
Answer: A
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James has just purchased a stock for $50 a share, and in the first two days it rises to $60 a share. James decides that this 20% gain in 48 hours is a nice little windfall, and sells the stocks at that price. The fact that it next goes up to $80 a share in the following month leaves James wondering why he sold. This tendency to sell a stock too quickly after its value has increased is called the
____ effect. a. endowment b. disposition c. escalation d. sunk cost
Size constancy refers to our perception that objects:
a. have a constant shape even when viewed from different distances b. have a constant size even when viewed from different distances c. become smaller as they move away from us d. become larger as they move away from us
Dr. Grigson's participation in Thomas Barefoot's trial was controversial because
A. Grigson was not a licensed psychiatrist. B. Grigson had not interviewed Thomas Barefoot. C. Grigson's research did not meet the Daubert standard. D. Grigson's conclusions were based solely on clinical tests.
Anthony heard a report about a study in the Journal of the
American Medical Association that stated working night shifts causes heart attacks. When he read the study he found that the researchers had compared the rates of heart attacks between day and night shift workers. This was not an experimental design and subjects were not randomly assigned. If Anthony thinks critically about this study he would conclude that _____ a) this is good evidence that night shift work causes heart attacks. b) this proves it is unhealthy to work night shifts. c) this study shows a correlation, proving causality, between night shifts and heart attacks. d) this type of study can't provide evidence of causes.