In an experiment, the factor that changes in response to some other factor is referred to as the
a. independent variable.
b. dependent variable. c. control variable.
d. random variable. e. placebo.
b
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Piaget argued that object permanence is fully developed at 18 months. Recent research has indicated that
a. Piaget's time estimate was right on. b. object permanence is actually developed at birth. c. awareness of object permanence is not apparent at birth but develops well before Piaget thought. d. object permanence actually develops around age two years.
As Greg is performing his gymnastic routine, he experiences intense concentration, a detachment to the sights and sounds of his surroundings, and the sensation that time is moving much slower than before. His muscles, which had been aching only moments before, are free from any pain, and he feels that his energy as significantly increased. Greg is experiencing a state known as
a. flow. b. asceticism. c. attention overload. d. nirvana.
Nearly all of the major organs are formed during what period?
a. genetic b. zygotic c. fetal d. embryonic
Experience can significantly influence the efficiency of _____
a) the apex b) the cochlea c) perceiving timbre d) differentiating overtones e) outer hair cells