Statistical measures for the dispersion or spread of scores in a distribution or data set are called ______.
A. measurability
B. central tendency
C. sampling variability
D. variability
Answer: D
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All of the following are considered anxiety disorders EXCEPT a. generalized anxiety disorder. b. conversion disorder. c. specific phobia
d. panic disorder.
The cerebellum is an important part of the hindbrain that:
a. initiates voluntary movement b. influences social-emotional behavior c. coordinates voluntary movements d. makes humans distinct from all other animals
The loudness of a sound is determined by the __________ of the sound waves and expressed in __________ units of measurement
a. wavelength; decibel c. amplitude; pounds pressure b. amplitude; millimicrons d. amplitude; decibel
Efforts to teach chimpanzees to talk probably failed because_________
a. the researchers did not use the proper reinforcement procedures b. chimps have their own language which they would not give up c. the researchers did not begin instruction when the chimps were very young d. chimps lack the biological structures for speech