By what age is it estimated that children use correct grammar in 90% of their statements?
a) 1 year
b) 2 years
c) 3 years
d) 4 years
Answer: d
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Epigenetics refers to the process of cellular material influencing traits by
A. Creating mutations in the genome. B. Inheriting mutations from an individual's parents. C. Activating the endocrine system when an individual encounters stressful events. D. Turning on or off genes from outside of the genome itself.
In the second half of the twentieth century, the Black image changed in the U.S. because of all the following EXCEPT:
A) Black efforts to give up their roots and assimilate to American culture. B) desegregation. C) the emergence of a significant Black middle-class. D) the regulation of fair employment practices.
Which of the following is a career type found on Holland's RIASEC scale?
a. organization b. enterprising c. extraversion d. erudition
Children between the ages of two and seven years are in which cognitive stage of development?
a. formal operational b. sensorimotor c. concrete operational d. preoperational