In Piaget's theory, when a child masters the concept that the weight, mass, and volume of matter remain unchanged even when the shape or appearance of objects changes, he or she is exhibiting
a. conservation.
b. object permanence.
c. egocentrism.
d. animism.
A
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Within the U.S. population, which is likely to be the shortest estimate of longevity?
a. Maximum life expectancy b. Average life expectancy c. Productive life expectancy d. Assisted life expectancy
Ethical guidelines dictate that research participants' identities remain confidential
Indicate whether the statement is true or false
Which of the following statements would be true about a sleeping person?
A. The sleeping state is akin to being in a preconscious state. B. The mind does not respond to any kind of stimuli. C. The mind cannot distinguish between relevant and irrelevant stimuli. D. The mind can distinguish between relevant and irrelevant stimuli.
Which of the following is the most common cause of substance-induced persisting amnestic disorder?
A. Head injury B. Chronic marijuana use C. Chronic alcohol use D. Viral infection