Explain the pattern of the pubertal growth spurt in boys and girls.
What will be an ideal response?
Marked weight gains coincide with the onset of puberty. During early adolescence, girls tend to outweigh boys, but by about age 14 boys begin to surpass girls. Similarly, at the beginning of the adolescent period, girls tend to be as tall or taller than boys of their age, but by the end of the middle school years most boys have caught up or, in many cases, surpassed girls in height. The growth spurt occurs approximately two years earlier for girls than for boys. The mean age at the beginning of the growth spurt in girls is 9; for boys, it is 11. The peak rate of pubertal change occurs at 11 ½ years for girls and 13 ½ years for boys. During their growth spurt, girls increase in height about 3½ inches per year, boys about 4 inches. Boys and girls who are shorter or taller than their peers before adolescence are likely to remain so during adolescence; however, as much as 30 percent of an individual's height in late adolescence is unexplained by his or her height in the elementary school years.
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For Erik Erikson, getting some sense of who you are brings resolution to a(n) __________ crisis?
Answer:
According to Piaget, a formal operational child's thinking is characterized by all of the following except
a. requiring no referents in real life for thought. b. being detached from reality. c. thinking about what could be, as well as what is. d. generating hypotheses about possibilities.
Another term we could use for the norm group is the
a. respondents. b. testing participants. c. comparison group. d. test taker group.
Dr. Blanchard is giving a lecture about the propagation of the action potential. What would she tell the class?
a.) That the process of an action potential repeats itself over and over down the length of the axon thanks to the diffusion of sodium ions. b.) The action potential moves down the length of the axon because all the potassium channels open all at once after the neuron reaches threshold. c.) The action potential moves down the length of the axon because all the sodium channels open all at once after the neuron reaches threshold. d.) That the process of an action potential repeats itself over and over down the length of the axon thanks to the diffusion of potassium ions.