Which of the following is a reason for caution in using brain imaging technology?
a. Brain scans can only be used to study abnormal brains.
b. Brain scans tell us what is happening, but not precisely where it is happening.
c. Imaging technology can mask the variability among people's brains.
d. It is not known how safe repeated usage of brain scans is for an individual.
Answer: c
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The difference between an acute stress disorder and PTSD is:
A. how long the disturbance is B. the severity of the stress C. whether the anxiety is free-floating D. whether la belle indifference is observed
This is the hypothesis either that an effect of the independent or subject variable exists or a relationship between the variables exists.
A. null hypothesis B. void hypothesis C. alternative hypothesis D. pseudo hypothesis
When an individual rejects evidence about a diagnosis and/or insists that surgery was just precautionary, Greer and others suggest this is
A) helplessness/hopelessness. B) minimization. C) denial. D) anxious preoccupation.
The arithmetic average defines the
a. mean b. median c. sigma d. mode