Margaret sleeps erratically but when all that time is added up, she sleeps about 14 hours a day. Based on the research on sleep across the lifespan, Margaret is likely to be _____
a) elderly.
b) an adolescent.
c) in her 30s.
d) an infant.
Answer: d
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Which of the following aspects is critical the experimental but not correlational design?
A) the ability to test predictions. B) the use of variables. C) the use of operational definitions. D) random assignment.
The components in the sense organs that respond to one type of energy are ______
a. sensor cells c. transducers b. receptor cells d. effector cells
Boys are more likely than girls to take calculus courses in high school
Indicate whether the statement is true or false
As an infant, Keith scored highly on the Bayley scale, however as a high school student, his IQ is slightly below average. What likely accounts for this discontinuity?
A. His Bayley scores reflect motor skills and his Stanford-Binet scores reflect sensory skills. B. His Bayley scores reflect abstract skills and his Stanford-Binet scores reflect reasoning skills. C. His Bayley scores reflect sensory skills and his Stanford-Binet scores reflect abstract skills. D. His Bayley scores reflect cognitive skills and his Stanford-Binet scores reflect motor skills.