The value around which scores in a data set tend to cluster is called:
a. a measure of variability
b. a correlational coefficient
c. the standard deviation
d. a measure of central tendency
D
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Pina is working a puzzle while a PET scan is performed. The PET scan indicates high activity in Pina's frontal lobe. Which conclusion can we draw from the PET scan results?
a. ?Pina has worked this puzzle many times before. b. ?Pina is bored by the task of building the puzzle. c. ?Pina has never worked this puzzle before and she finds the task difficult. d. ?Pina is an expert puzzle builder and is finding this puzzle easy to complete.
Sam and Julie each scored 110 on the WAIS. Based on their scores, which is true?
A) If Sam scored high in math, then Julie scored high in math. B) If Sam scored high in comprehension, then Julie scored high in comprehension. C) Two people with the same IQ score could have very different abilities. D) Two people with the same IQ score should have the same abilities.
According to social learning theory, a child learns gender-typed behavior through a combination of all of the following EXCEPT:
A) modeling. B) punishment. C) prenatal hormones. D) reinforcement.
Activity of a muscle spindle is to ______ as activity of the Golgi tendon organ is to ______.
A. stretch; inhibition of contraction B. inhibition of contraction; contraction C. inhibition of contraction; inhibition of contraction D. stretch; contraction