In terms of causation, under what circumstances does a correlation indicate causation?
If the correlation coefficient is positive
If the correlation coefficient is significant
If the correlation is negative
By itself, it never indicates causation
By itself, it never indicates causation
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Which of the following is characterized by extreme sympathetic nervous system arousal?
a. locked-in syndrome b. pure autonomic failure c. panic attack d. prosopagnosia
Which of the following is true about psychosurgery?
A. It is used to remove tumors and blood clots. B. It remains the most popular way to treat cognitive and emotional disorders. C. It was largely replaced by psychiatric drugs as a form of treatment. D. It was performed on Phineas Gage.
As gas prices increase, we see a decline in the number of travelers on the highway. This is an example of a __________ correlation
a. negative b. positive c. perfect d. zero
The control condition in the experiment described in question 38 is
a. the drug b. the placebo c. blood glucose level d. not present