Which of the following statements is true of sleep?

A) Older people need more sleep than younger adults.
B) Teenagers sleep 8 hours a day.
C) Newborn babies sleep less than 10 hours a day.
D) People need more sleep when they are under stress.

D

Psychology

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Ramey's research on the effect of early intervention on intelligence are _____ studies, so we can see that the outcomes are a result of the intervention

a) longitudinal b) cross-sectional c) observational d) experimental

Psychology

Genes are molecules that dictate how our cells develop and coordinate to form the human body

Indicate whether the statement is true or false

Psychology