Inter-rater reliability gauges __________.
A. the similarity of one set of results to another set of results from a trial run a few days earlier
B. the similarity of one set of results to another set of results from a trial run several years earlier
C. the extent to which a measuring instrument measures what it is supposed to measure
D. the extent to which different clinicians agree on a diagnosis
Answer: D
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What is the major problem associated with self-selection as a way to assign participants to the experimental and control groups?
A) The treatment necessarily will work in the experimental group because those participants are especially motivated. B) The two groups probably will differ on many variables besides whether or not they received the treatment. C) Self-selection violates the requirement for informed consent. D) Self-selection prevents the manipulation of the independent variable and measurement of the dependent variable.
A medical artist is drawing a homunculus with body-part size in relation to the size devoted to it in the somatosensory cortex. Which body part should be drawn SMALLEST?
A) the lips B) the thumb C) the tongue D) the foot
Rado (1949) claimed that ____
a. all boys had a normal, erotic attraction to women b. humans were not innately bisexual and that homosexuality was a mental illness c. homosexuals were as well adjusted as heterosexuals d. no real evidence existed that homosexuality was a psychological disorder
What percentage of children aged 5 to 10 years in 2001 had dangerously elevated levels of lead in their blood?
1% || 11% || 21% || 31% || || ||