Experimenter bias can best be controlled using ________
a) a placebo
b) a double-blind study
c) randomization
d) participants who do not know the purpose of the study
ANS: B
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The area of the retina that lacks large blood vessels and is responsible for central vision is called the: a. optic disk
b. anterior chamber. c. temporal retina. d. macula.
What has been a problem with Caplan's categories of primary, secondary and tertiary prevention?
a. tertiary prevention overlaps with clinical treatment b. primary prevention overlaps with clinical treatment c. secondary prevention involves all persons in a setting d. all of the above
Which of the following is a reason for doing a competence evaluation?
A. to discover information that could lead to a possible insanity defense B. to guarantee the permanent incarceration of a potentially dangerous person C. to encourage the judge to allow bail D. to encourage the judge to set a trial date sooner
Which of the five basic taste sensations was discovered most recently?
a) bitter b) sour c) sweet d) umami or brothy