In a recent study of the physical activity of children 3 to 5 years old, it was found that
A) children were most active on Saturdays.
B) children were more active on weekdays than weekends.
C) almost all of children's vigorous activity lasted for more than 30 minutes.
D) children spent the majority of their time in moderate to vigorous activities.
B) children were more active on weekdays than weekends.
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The rate of adolescent suicide in the United States has __________ over the past 30 years.
A. doubled B. tripled C. quadrupled D. remained the same
From the extensive information it collected concerning patterns of sexual activity, what did the National Health and Social Life Survey reveal concerning the physical and emotional satisfaction of men and women?
a. The rates of satisfaction are low for both men and women. b. A much larger percentage of men than women report being satisfied. c. A much larger percentage of women than men report being satisfied. d. Men and women did not differ significantly in their satisfaction.
The developing infant brain is highly resistant to damage
a. True b. False Indicate whether the statement is true or false
A basic principle governing operant conditioning is that ________
a. conditioned stimuli must precede unconditioned stimuli. b. behaviors are controlled by their consequences. c. animals can only be conditioned to perform behaviors that appear spontaneously. d. behaviors are controlled by thoughts and mental processes.