The correlation between scores obtained on two halves of a single test yields information about the test's
(A) reliability
(B) validity
(C) frequency distribution of scores
(D) central tendency of scores
(E) standard error of measurement
(C) Jennifer studies hard because her parents reward her by paying $20 for each superior grade that she brings home.
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Surfactin is a substance that coats the __________.
A. entire newborn in soft, downy hair B. eyes C. linings of the lungs D. newborn's head in a waxy substance
Items that retain their reliability over time tend to be those that focus on
a. skills. b. abstract concepts. c. easier concepts. d. foundational knowledge.
The evidence points to a heritability of intelligence of approximately ____
a. 0% b. 10% c. 50% d. 75%
Which of the following would NOT be studied by developmental psychologists?
a) aging issues of the elderly b) smoking trends of adolescents c) prenatal development d) the part of the brain and neurotransmitters involved in the development of major depression