Researchers studied the relationship between intelligence and friendship in children. Which of the following illustrates a negative correlation between the two variables?
a. Children who are smart tend to have fewer friends than children who are not smart.
b. Children who are smart tend to have more friends than children who are not smart.
c. Children who are smart tend to have the same number of friends as children who are not smart.
d. Children's intelligence is unrelated to the friendship patterns between children.
a
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When trying to concentrate, which sound do people have the hardest time ignoring?
a. music b. ambient traffic sounds c. the sound of offices equipment (e.g., photocopier, hum of lights) d. conversation e. the noise of a distant crowd
The conceptual peg hypothesis would predict enhanced memory for which word pair?
A. True lies B. Amazing grace C. Cake mug D. Mission impossible
Jan is in labor and has requested __________, which will involve an injection into her spinal fluid but will help with the pain of childbirth.
A. Twilight Sleep B. a natural childbirth C. cesarean birth D. an epidural
Which statement is true of stereotaxic surgery?
A. A stereotaxic instrument does not require coordinates from a brain atlas. B. The carrier arm can be manipulated in two dimensions. C. The head holder is designed to fix the skull in a rigid position. D. The surgery can only be accomplished by inserting an electrode into the brain.