Valerie, a child of a low-IQ biological mother, was adopted into a middle-SES family at a young age. Based on prior research, one would expect that
A) Valerie would have a higher IQ than her adoptive parents' biological children.
B) Valerie would have a lower IQ than her adoptive parents' biological children.
C) Valerie would have about the same IQ as her adoptive parents' biological children.
D) Valerie's IQ would be more strongly correlated with her adoptive than her biological relatives.
C
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Steve wants to know what the correlation is between the number of treats he gives his dog, Blue, and the speed with which she will follow his instructions to sit down. He finds that the more treats he gives Blue, the faster she sits down on command. Which of the following options describes the correlation that could describe this relationship?
a. 0.00 b. 0.82 c. -.73 d. +1.92
Using her data set regarding the working conditions and stress levels of domestic workers, Callie has calculated the standard deviation of their housing expenses in two ways, with and without the workers who have zero housing expense. When she includes all workers, the standard deviation is ____
a. smaller b. larger c. the same d. scattered
The extreme slowness and withdrawal in one form of depression is referred to as
a. chronic depressive syndrome. b. clinical unipolar disorder. c. severe genetic disorder. d. melancholia.
Of the following procedures, the one that focuses on reducing the rate at which a behavior occurs is ________
a. DRZ b. DRI c. DRL d. DRA