Sam has inherited a sociable, outgoing personality. His sunny disposition makes other people more likely to enjoy his company and reinforce his sociability. This is an example of a(n)
A) passive gene-environment correlation.
B) active gene-environment correlation.
C) evocative gene-environment correlation.
D) dominant gene-environment correlation.
C
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Adenosine produces sleepiness by a. interacting with the suprachiasmatic nucleus
b. promoting the release of melatonin. c. inhibiting the activity of neurons releasing acetylcholine (ACh), serotonin, and norepinephrine. d. stimulating the activity of neurons releasing acetylcholine (ACh), serotonin, and norepinephrine.
According to Dr. Bunnell, which of the following is an effective prevention method for teens at risk for developing an eating disorder?
A) teaching children to ignore cultural messages about body image B) identifying early warning signs, like body image distress C) providing encouragement for dieting, even when there is no need to lose weight D) supporting ritualized eating habits
The coefficient of correlation conveys:
a. the size and direction of the relationship between two variables. b. whether one variable causes the other variable to happen. c. the unintended changes in a subject's behavior due to the experimenter's cues. d. whether or not the principle of falsifiability applies to each variable.
Which of the following is true of gross motor skills in preschoolers?
A. They are acquired by imitating other children. B. They are acquired exclusively through adult instruction. C. They are acquired faster by girls than by boys. D. They develop gradually, a bit more slowly than fine motor skills.