Self-control emerges in infancy and gradually improves during the preschool years. Describe the changes in self-control between the ages of 1 and 3
What will be an ideal response?
A good answer will include the following key points:
- At 1 year of age, infants become aware that people impose demands on them and they must react accordingly.
- At 2 years of age, toddlers have internalized some of the controls imposed by others and are capable of some self-control in their parents' absence.
- At 3 years of age, children become capable of self-regulation; they can devise ways to control their own behavior.
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One major limitation of single subject studies is that they
a. delay necessary treatment. b. are inefficient for data collection. c. are often unethical. d. have poor generalizability.
Baby Azeez’s limb movements are gentle. He stirs occasionally and facial grimacing occurs. Although his eyelids are closed, occasional rapid eye movements can be seen beneath them. Azeez is most likely in which state?
A) regular sleep B) drowsiness C) irregular sleep D) quiet alertness
How has the study of human development changed over the last two centuries?
What will be an ideal response?
The action potential can be best viewed as
a. A wave of hyperpolarization. b. A wave of depolarization. c. A spreading wave of enzyme activity. d. A wave of neurotransmitter release.