Which statement is correct about the prevalence of autism spectrum disorder?
a. It is more common among the lower socioeconomic classes.
b. It is more common among European Americans than among Asian Americans.
c. It is more common among boys than among girls.
d. Around one percent of children in the United States are born with autism.
C
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The most common symptom of pubic lice or scabies is ____
a. discharge c. itching b. burning d. fever
True or False: Just like with a one-way chi square, a two-way chi square requires imputing expected frequencies.
a. True b. False
Pooja tells an off-color joke about a group of people she does not like. Her friends laugh and as a result Pooja will tell more similar jokes because she has been:
A. classically conditioned. B. habituated to laughter. C. conditioned by her operant. D. continuously reinforced.
Lead is only toxic if ingested in large quantities at a very young age
Indicate whether the statement is true or false.