The "ditch the fizz" campaign discussed in the text helped overweight children lose weight by:
a. using an advertising campaign that encouraged children in school to reduce their use of carbonated beverages
b. placing smaller portions of food on their lunch trays, and donating the unused food to a low-income food program in the community
c. changing the curriculum so that all children spent at least 1 hour per day in physical education programs that emphasized active sports
d. substituting healthier foods for those rich in carbohydrates and fat in the school lunch program
a
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By what age will children show preferences for particular playmates?
a. 6-months c. 18-months b. 1 year d. 2 years
Eight-month-old infants placed on a visual cliff would probably:
a. cross to greet their parents. b. hesitate briefly, and then cross to their parents. c. cross quickly to avoid seeing the deep side of the cliff. d. show extreme hesitation or not cross at all.
Answer: A
a. visible independent variable. b. randomly assigned control group. c. representative control group. d. double-blind study.
Ironically, a few scientific studies have revealed that swift imposition of the death penalty is associated with an increase in murders. The authors speculate that this finding may not seem so bizarre if one considers
A. executions as acts of aggression that might lead to imitation. B. the race of the convicted murderer. C. economic factors that result in hopelessness and frustration. D. people's sense of procedural justice.