Which of the following provides some evidence that there is, in fact, a genetic component to handedness?
a. Between monozygotic twins, the likelihood that both children have the same dominant hand is no greater than between fraternal twins or non-twin siblings.
b. As teachers have stopped encouraging children to use their right hands, the percentage of left-handed children has risen.
c. Societies have favored right-handed people in their design of common objects, such as scissors, can-openers, and school desks.
d. The part of the brain that controls handedness, the substantia nigra, develops more fully in right-handed children than in left-handed children.
b
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A community group wants to reduce the rate of CHD. It's important to them to only follow a method that has been proven to work. Which of the following do they choose?
a. a biofeedback clinic by appointment at a local mall b. a seminar on stress management for Type A behavior c. a media campaign focusing on diet and exercise d. smoking cessation programs for cardiac patients
In animals, quite a bit of brain development occurs prenatally. When does this same brain development occur in human infants?
A. prenatally as well B. during the first year of life C. only during the fetal period D. after the first year of life
What role does fitness play in elderhood? How do nutrition and lifestyle affect fitness? How can each be detrimental to fitness? How can each be beneficial?
What will be an ideal response?
According to modeling theorists, why would a young man want to join the military?
a) He has passed through the latency stage. b) He has been positively reinforced for aggression. c) He has seen how military officers are well respected. d) He has experienced an unavoidable impulse for aggression.