Research confirms that __________ plays a large role in accounting for boys' gross-motor superiority

A) boys' greater muscle mass
B) the social environment
C) girls' higher fat-to-muscle ratio
D) girls' lack of coordination

B

Psychology

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Middle-aged adults usually attribute health complaints to

A) temporary infections. B) chronic diseases. C) fleeting viruses. D) disabling conditions.

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A researcher asks Carlos, "What do you think would happen if it suddenly became possible for people to fly, like

birds, without the aid of airplanes?" Carlos comes up with several interesting possibilities about "human flight." Carlos is most likely in the stage. a. sensorimotor b. preoperational c. concrete operational d. formal operational

Psychology