When infants are tested to discover whether they understand the concept of object permanence and are shown two events—one expected and one unexpected—the infants
A) show no awareness that the events differ from one another.
B) ignore the unexpected event.
C) look longer at the unexpected event than the expected event.
D) show a preference for the expected event.
C
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Thorndike found that a cat learned to escape from a puzzle box by the consequences of its behavior. How could he arrive at such a conclusion?
A. The CR was increasing in magnitude over time. B. The cat learned by watching Thorndike open the puzzle box. C. The CS (freedom) provided information about the occurrence of the UCS (piece of fish). D. The time it took cats to escape decreased over time.
Rather than examine a large number of personality variables that may or may not be related to how well people perform in the workplace, many researchers now address the questions of job performance and personality
A. by using the personality dimensions identified in the five-factor model. B. by categorizing workers by personality types. C. by using the several psychogenic needs developed by Murray. D. by responses to work interests on self-report inventories.
The denominator of the z test is
a. the standard deviation of the sample c. the standard error of the mean b. Cohen's d d. the standard score equivalent
In industrialized nations, childhood diseases have declined dramatically during the past half-century, largely as a result of
A) generous government nutrition programs. B) government-funded health care. C) widespread immunization of infants and young children. D) a reduction in the number of viral and bacterial infections worldwide.