Which of the following drugs was not used in the Stone Age?
a. morphine
b. hashish
c. cocaine
d. opium
a
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Answer the following statements true (T) or false (F)
1. Although the just-noticeable difference is known to be a fixed quantity, the actual value of this quantity is different for each sense. 2. You can easily tell the difference between 1 and 2 kg, but not 100 and 101 kg, illustrating Weber's law. 3. You can easily tell the difference between 1 and 2 kg, but not 100 and 101 kg, illustrating an absolute threshold for perceiving differences in weight. 4. Signal detection accounts of perception assume the existence of thresholds. 5. Radiologists attempting to determine if a growth is cancerous probably will adopt a liberal decision criterion.
With olfaction, the receptors respond primarily to
a. airborne molecules. b. electromagnetic sensors. c. sound waves. d. gravity.
All of the following are motivational states or thought processes that underlie prosocial behavior, according to Eisenberg and colleagues, except _____
a. thinking about what is legal in society b. earning the approval of others for one’s actions c. feeling guilty for not helping another d. taking the perspective of a person in need of help
According to Marcia, which identity status is the least developmentally advanced?
a. moratorium c. diffusion b. foreclosure d. achievement