An analysis of item alternatives for a multiple-choice test can yield information about
A. which items are in need of revision.
B. testtaker response patterns.
C. the effectiveness of distracter choices.
D. All of these
Answer: D
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What is the leading preventable cause of hearing loss in human beings?
a) ingestion of oto-toxic medications during infancy b) exposure to loud noises c) prenatal exposure to teratogens that interrupt normal hearing development d) penetrating or traumatic head injuries
Most theories developed by behavior geneticists to pin down genetic explanations for abnormal behavior assume that mental disorders are most likely
A. polygenic; that is, caused by a single gene. B. polygenic; that is, caused by multiple genes. C. autosomal; that is, caused by a single gene. D. autosomal; that is, caused by multiple genes.