Sam has persistent and distressing thoughts of germs; he cannot eat without washing his hands three times before and three times after every meal. Although his hands are raw from the washings, he is overwhelmed with anxiety if he doesn't wash using this method. Sam's problems illustrate ____
a. posttraumatic stress disorder c. agoraphobia
b. obsessive-compulsive disorder d. generalized anxiety disorder
B
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The way someone speaks about others influences our impression of that person. This is due to the key source of information of
a. verbal behavior. c. actions. b. appearance. d. situations.
Research shows that among MZ twins, ADHD is highly heritable,
a. however, studies fail to specify exactly how either genes or environment bring it on. b. so it is clear that ADHD is genetically transmitted on recessive alleles. c. so it is clear that certain parenting styles, such as lack of discipline, lead to the development of ADHD. d. so it is clear that ADHD recessive genes combined with certain parenting styles, such as lack of discipline, is what causes ADHD. e. however, certain parenting styles, such as lack of discipline, outweigh genetic influences in the development of ADHD.
According to your textbook, which of the following is true?
a. The volume of gray matter in the brain is correlated with intelligence. b. The IQ of adopted children correlates less with their biological parents than with their adoptive parents. c. Dizygotic twins raised apart are more similar to each other in IQ than monozygotic twins raised together. d. The IQ of dizygotic twins is more correlated than that of monozygotic twins.
According to the article Spare the Rod, about punishment and aggression, the threshold for children learning aggression from punishment is:
(a) low (b) high (c) zero (d) not determined by this study