Humans can distinguish approximately ______ different smells
a. 500 c. 5,000
b. 1,000 d. 10,000
D
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Mrs. Darnell's sixth grade students scored higher on tests of abstract thinking, creativity, and problem-solving than the other elementary students. Her students also tend to be more independent, curious, and positive in their attitudes toward school. Mrs. Darnell most likely uses which teaching style?
a. lecture-style b. discovery learning c. rote learning d. direct instruction
What was one method researchers used to present a word so that people would be conscious of it on some trials and not others?
a. They sometimes presented the word to people who were in a coma. b. They sometimes hypnotized people and told them not to see the word. c. They sometimes made the word too small and blurry to see. d. They sometimes presented a masking pattern after the word.
A threat appraisal automatically triggers:
A. parasympathetic division activity B. frustration C. posttraumatic stress disorder D. the fight-flight response
Chemicals released by the immune system that attack infections and communicate with the brain to elicit anti-illness behaviors are ____
a. macrophages b. cytotoxic cells c. cytokines d. natural killer cells