The human brain contains approximately ________ transistor-like neurons
a. 100,000
b. 100 billion
c. 10 million
d. 5 million
e. 1 billion
b. 100 billion
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Culture-fair tests contain numerous items that refer to cultural concepts
a. True b. False Indicate whether the statement is true or false
The inclusion of detailed diagnostic criteria in more recent versions of the DSM increases the _____ of diagnosing mental illness.
A) frequency B) validity C) reliability (or consistency) D) prevalence
Studies of the genetics of autism spectrum disorders indicate that ____.
A. many cases result from new mutations or microdeletions in any of a number of genes B. a small number of genes appear to be involved in autism spectrum disorders C. most mutations and deletions implicated in autism spectrum disorders are inherited from mothers D. very young maternal age and very young paternal age independently increase the risk of autism spectrum disorders
During the first 2 months of life, babies produce only
a. cooing sounds. c. reflexive sounds. b. babbling sounds. d. crying sounds.