Which of the following situations is extraordinarily unlikely?
A. A reliable test is valid.
B. A valid test is unreliable.
C. A invalid test is unreliable.
D. An unreliable test is invalid.
Answer: B
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A psychologist monitors changes in the subject's heart rate as the subject watches a violent movie. The data collection technique being used is
a. direct observation. b. psychological testing. c. physiological recording. d. archival records.
Which of the following is NOT a descriptive statistic?
A) alpha B) standard deviation C) median D) mean
What do somatic symptom disorder and the dissociative disorders have in common?
A. Both are characterized by physical complaints. B. Both are more common in men. C. Both appear to be ways of avoiding anxiety. D. Both have onset during early childhood.
Alfred is in a car accident, and the doctor suspects that Alfred may have suffered structural damage to his brain. Which test would be most appropriate to find out whether there is structural damage??
a. ?electrical stimulation b. ?electroencephalogram (EEG) c. ?positron emission tomography (PET) d. ?magnetic resonance imaging (MRI)