As compared to dendrites, axons usually ____
a. form the information-receiving pole of the neuron
b. are shorter in length
c. are covered with myelin
d. taper in diameter toward their periphery
c
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In the "Shape Up Somerville" study of first- to third-graders, interventions to lower obesity included __________.
A. increasing consumption of sugar-sweetened beverages B. creating more walkable routes to school C. health-related education for children but not parents D. financial rewards for weight loss
Which of the following is most typical of the interpersonal attitudes and behaviors of someone with antisocial personality disorder?
A. Vacillation between overidealization and bitter disappointment B. Excessive trust and dependence on others' opinions C. Unsocialized and aggressive pattern of irresponsible behavior D. Repeated manipulation of others to gain attention
In an experiment by Kolb, Gibb, and Gorny (2003), animals of varying ages were placed in complex environments. Their findings suggest that a. the impact of the environment on the brain is different at varying stages of life
b. the impact of the environment on the brain is significant but uniform throughout the lifespan. c. environments that are beneficial to the aged may be harmful to the young. d. the environment has little effect on the brain throughout the lifespan.
Who proposed that children learn not only words, but also grammar, via the mechanisms of operant and classical conditioning?
a. Skinner c. Piaget b. Vygotsky d. Freud