Two boys, Arthur and Vernon, are rolling in the dirt as they tussle and push each other. They are smiling as they jump up and mush rotten apples onto each other. They are engaged in
a. aggression.
b. functional play.
c. rough-and-tumble play.
d. parallel play.
ANSWER: c
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To protect their members against enemy tribes and to ensure that everyone had enough to eat, pre-historical families:
a. Joined with other tribes to form clans b. Made weapons and farmed c. Were geographically isolated from others d. Joined with other clans to form tribes
Which of the following is developmentally appropriate for young children?
a) Young children should be exposed to formal music lessons to capture their learning capabilities. b) Young children should only hear one type of music to avoid confusion. c) Young children should be exposed to a variety of music in their culture for a musical base. d) Young children should hear nursery rhymes to enhance rhyming word development.
In response to early experiences, unused synapses die off. This process, called __________, results in more efficient brain processing because the neural signals have relatively fewer branches through which to navigate.
A. myelination B. synaptic pruning C. neurogenesis D. dendritic death
Research indicates that college students should get
a. a minimum of 6 hours of sleep a night. b. an average of 6 to 7 hours of sleep per night. c. 8 to 9 hours of sleep a night to function well. d. 12 hours of sleep per day.