What percentage of school-age children demonstrates a speech/language impairment?

a) 3 to 5 percent
b) 5 to 10 percent
c) 2 to 8 percent
d) 1 to 3 percent

a

Psychology

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Research by this Nobel Prize winner strongly endorsed the trichromatic theory of color vision

a) Thomas Young b) David Hubel c) Hermann von Helmholtz d) George Wald

Psychology

Loud noises can increase the fetus' heart rate and movement, which illustrates that outside conditions can affect the unborn in the the environment

a. teratogen b. genetic c. intrauterine d. endogenomic

Psychology