When students take a test and then a retest, nearly all the students improve their scores by the same amount. What can we say about the test?
a. It has high reliability.
b. It has low reliability.
c. It has high validity.
d. It has low validity.
a
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Among the psychotic disorders once considered schizophrenia, the one that lasts at least one day but less than one month is known as ____
a. Capgrassyndrome c. brief psychotic disorder b. schizophreniform disorder d. delusional disorder
Which of the following is one aspect of selective mutism?
A. Defiance of parent authority B. Attention-seeking behavior C. Strong anxiety D. Willfulness
Sean's skills in computational math and analytic thought are mainly a function of the
a. right hemisphere. b. left hemisphere. c. midbrain. d. limbic system.
Contrary to Piaget's expectations, preschoolers who are taught about conservation principles
a. learn conservation more slowly than others. b. are unaffected by this type of instruction. c. improve in their social relations with peers. d. benefit from the teaching and learn conservation early.