During a pilot test, a survey researcher identified some errors associated with the design and administration of a recently developed survey. The survey researcher identified ______.
A. nonsampling measurement errors
B. sampling measurement errors
C. true value errors
D. item response errors
Ans: A
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Which brain structure modifies the strength of the startle reflex?
a. Corpus callosum b. Amygdala c. Cerebellum d. Thalamus
The day-night cycle that occurs approximately every 24 hours is the
day-night cycle. night-day cycle. sleep cycle. circadian rhythm.
Animals with the first rudimentary brains probably evolved about _________ years ago.
A. 4.5 billion B. 3.5 billion C. 700 million D. 250 million
What effect do opiates have on the body?
a. They speed up activity in the central nervous system. b. They increase the appetite for carbohydrates. c. They increase sympathetic nervous system arousal. d. They relieve pain and produce euphoria.