Exercise is especially beneficial for executive performance, which is a part of planning and higher-order reasoning, because exercise
A. improves the sense of self-efficacy.
B. increases resting heart rate.
C. improves emotional well-being.
D. increases cognitive functioning.
Answer: D
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Rough-and-tumble play emerges at about
a. one year. c. four years. b. two years. d. six years.
What is the first agent of socialization?
A) the media B) the peer group C) the family D) the educational system
According to the Centers for Disease Control, an African-American male has a __________ chance of being murdered during his lifetime, while a Caucasian-American male has a _________ chance of being murdered
a) 5 in 10; 1 in 100 b) 2 in 10; 2 in 125 c) 1 in 10; 5 in 150 d) 1 in 21; 1 in 131
You believe that children's responsiveness can be increased by exposure to moving stimuli during the first week following birth. In one hospital you convince the staff to hang mobiles over the cribs and in another they do not. In each hospital you measure each child's responsiveness before and after the one week exposure to the mobiles. You have used what design?
A) a nonexperimental design B) an interrupted time-series design C) a one-group pretest-posttest design D) a nonequivalent control group design with pretest and posttest