Dr. Vandalay is conducting an experiment on the amount of time it takes college freshman to correctly solve a puzzle involving a number of abstract puzzle pieces
One
of the groups is given verbal praise from an experimenter while they work on the puzzle.
The other group is given no verbal praise while working on the puzzle. Which of the
following best represents the Independent Variable and the Dependent variable of Dr.
Vandalay's experiment?
A) Independent Variable = amount of time it takes to complete the puzzle and
Dependent Variable = the abstract puzzle
B) Independent Variable = the amount of time it takes to complete the puzzle and
the Dependent Variable = verbal praise
C) Independent Variable = verbal praise and the Dependent Variable = the
amount of time it takes to complete the puzzle
D) Independent Variable = the abstract puzzle and the Dependent Variable = the
amount of time it takes to complete the puzzle
C
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According to the discussion of problem-solving expertise in Chapter 11,
a. expertise is typically defined in terms of problem-solving speed, rather than problem-solving accuracy. b. in some fields, expertise is not strongly correlated with the number of years of experience. c. true experts can acquire their expertise without extensive practice because they truly seem to be "born" with their skills. d. experts tend to have an especially well-developed working memory for general information, not just in their area of expertise.
Which hormone is released in response to daily variations in light and tends to rise as night falls, peaks at midnight, and falls again as the sun rises?
a. adrenaline b. thyroxin c. melatonin d. androgen
What term do psychologists use for the second phase of short-term memory, in which attention and conscious effort are brought to bear on the material at hand?
a) sensory memory b) working memory c) biphasic memory d) extended short-term memory
Which statement is TRUE?
A. Secondary mental abilities are measured indirectly. B. Primary mental abilities subsume secondary mental ability. C. Secondary mental abilities develop in childhood, and primary mental abilities develop in adulthood. D. Primary mental abilities develop in childhood, and secondary mental abilities develop in adulthood.