Explain how sleeping patterns differ between infancy and toddlerhood
What will be an ideal response?
Answer: Infants begin by sleeping 16–18 hours per day, but only about 15 hours a day by the end of infancy, whereas toddlers' sleep needs decrease to only 12–13 hours per day by their second birthday. Sleep patterns change also. Infants sleep less at night and take more naps than toddlers. However, when toddlers are teething and develop a sense of self, then their sleep tends to be more disrupted for a period of time.
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How did researchers evaluate the accuracy of criminal profiling, and what results did they get?
What will be an ideal response?
Factors other than the independent variable that may account for group differences on a dependent variable are referred to as
a. compounds. b. confounds. c. controls. d. experimental.
What factor is responsible for changing many peoples' retirement plans?
a. An increase in volunteer opportunities for individuals over 65 b. Fortune 500 companies lowering the retirement age to 60 c. The Great Recession d. An increase in distributed lottery funds
Which of the following statements is true of alcohol?
A) It dilates blood vessels. B) It increases the chances of germ buildup on wounds. C) It increases inhibitions. D) It is classified as an amphetamine.