Twelve-year-old Heather has a smaller head circumference and less gray matter thickness than typical children of her same age, sex, and size. It is most likely that
A. Heather's mother used alcohol or other drugs during her pregnancy.
B. Heather's mother has PKU.
C. Heather has PKU.
D. Heather has fragile-X syndrome.
Answer: A
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Conner is 4 years old. He has developed a strong attachment to his mother and sees his father as a rival for her affections. According to Freud, which of the following stages is Connor in?
a. Phallic b. Latency c. Genital d. Fixation
In a two-factor analysis of variance, a main effect is defined as _____
a. the mean differences among the levels of one factor b. the mean differences among all treatment conditions c. the mean difference between the two factors d. the difference between the largest treatment mean and the smallest treatment mean
Which of the following utterances clearly demonstrates that an infant has developed a categorical sense of self?
a. "My car" b. "I big girl" c. "Pick me up" d. "Daddy's book"
The _____ nervous system is the subdivision of the peripheral nervous system responsible for lowering heart rate and respiration rate and diverting blood flow to the digestive system.
A) sympathetic B) parasympathetic C) somatic D) central