In the United States, nearly 80 percent of children grow up __________
A) in low-income households
B) in single-parent families
C) with at least one sibling
D) with two working parents
Answer: C
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A parent who demonstrates to a child how to tie his/her shoes, and then gradually turns over the responsibility for the task over to the child, is exhibiting
a. the zone of proximal development. b. scaffolding. c. attachment. d. conservation.
Toddlers who are friends
a. tend to be complementary in their activity levels, interaction styles, and social skills, much like siblings of different ages b. prefer playing with a same-sex peer as early as 30 months of age c. change their choices of playmates frequently (friendship is unstable before the age of three) d. often have their friendship overlooked by parents and teachers because their friendship looks different from the friendship of older peers
Which of the following is a chemical messenger?
a. synaptic vesicles b. receptor sites c. neurotransmitters d. potassium ions
An EEG test taken during Stage 1 of sleep that one enters after feeling relaxed will reveal the brain waves change from ________ to ________ waves.
A. alpha; theta B. theta; alpha C. beta; theta D. theta; beta