Based on Shepard and Metzler's research on mental rotation, which of the following
statements is TRUE?
a. Humans are not very accurate in judging whether pairs of geometrical shapes are the same
or different.
b. Decision times decreased when one of the shapes was rotated.
c. The rotation of one of the shapes produced more correct answers than rotation of the other
shape.
d. As the degree of rotation of the shapes increased, decision times increased.
e. The degree of rotation had no effect on decision time; only the difference in size affected
decision time.
d. As the degree of rotation of the shapes increased, decision times increased.
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Jia has been on antipsychotic medications for a long time and has developed spasmodic movements of the limbs and trunk of the body. She also has trouble controlling her lips and tongue. Jia's symptoms are known as _______.
A. Motor trophy B. Tourette's syndrome C. Tardive dyskinesia D. Atypical dysplasia
In a normal distribution with mean 500 and standard deviation 100, about 15.87% of the scores will be lower than 400.
a. true b. false