Each of the subtypes of attention-deficit/hyperactivity disorder has a different pattern of comorbidity. What have researchers concluded from this observation?
a) A variety of gene locations probably combine to produce the behaviors
associated with ADHD.
b) There seems to be one predominant type of ADHD that manifests itself
differently, depending on the environmental circumstances.
c) The various manifestations of ADHD suggest that it is not likely that
genetic factors play a significant role in the development of this
disorder.
d) The multiple manifestations of this disorder suggest that various sites
in the control centers of the brain are impacted early in life and do not recover.
a
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Mr. Vagus is participating in a clinical research study that is investigating psychological factors that may influence the development of heart disease. When he is instructed to imagine a situation in which he was very angry, the sensors monitoring his heart reveal that
A. his heartbeat has slowed significantly. B. his heart is pumping less efficiently. C. the area around his heart has become swollen and inflamed. D. he is having a "painless" heart attack.
Adler proposed that birth order plays a significant role in one's personality development. According to Adler, firstborn children tend to show these tendencies.
a. Be overachievers b. Be underachievers c. Be overly cautious d. Be low in confidence
Which of the following cognitive changes that occur during adolescence allow(s) for improved critical thinking?
A. increased breadth of content knowledge in a variety of domains B. decreased interest in idealistic thinking C. improvement in concrete thinking D. engaging in imaginary audience and personal story processes
Select the following correlation that demonstrates the strongest relationship between two variables
A) +.20 B) -.76 C) -.50 D) +.75