As part of her graduate dissertation, Nadine gives a group of personality tests to fourth-graders. Included among these tests is a measure of popularity that she herself authored. Factor analysis of her data yields two factors: extraversion and creativity. Nadine then finds that her popularity measure had a high positive correlation with the extraversion factor and a high negative correlation with the creativity factor. What do the results mean?
a) The popularity measure is strongly related to both extraversion and creativity.
b) The popularity measure is strongly related to creativity but not to extraversion.
c) The popularity measure is strongly related to extraversion but not to creativity.
d) The popularity measure is unrelated to either extraversion or creativity.
Answer: a) The popularity measure is strongly related to both extraversion and creativity.
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A 68-year-old man is brought to the emergency room by his family. Family members tell the physician that their relative has been confused, agitated, and exhibiting memory impairments. These symptoms developed in the last few days; he has no prior history
of memory problems. Based on the family's information, the physician suspects the man is experiencing delirium. Which of the following questions would provide information that could confirm this diagnosis? a. "Does schizophrenia run in your family?" b. "Is he taking any medications at this time?" c. "Does he experience any difficulties with motor movements?" d. "Do any members of the family suffer from Huntington's disease?"
Glucostats are
A) cells that can detect glucose levels. B) drugs that block the absorption of glucose. C) hormones that help cells store glucose for future use. D) a category of sugars used by the brain and body for energy.