Which of the following is TRUE about learning disabilities?
a. They tend to disappear as children reach adulthood.
b. They affect less than 1% of the childhood population.
c. They are more common in girls than in boys.
d. They can affect several different areas, including reading, writing, and math skills.
d
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Which of the following best summarizes research on the frequency of male and female characters in dreams?
A. Both men and women have more male than female characters in their dreams. B. Men have more male than female characters in their dreams, whereas women have more female than male characters in their dreams. C. Men have more female than male characters in their dreams, whereas women have more male than female characters in their dreams. D. Men have more male than female characters in their dreams, but women have approximately equal numbers of male and female characters in their dreams.
During an action potential, which of the following occurs?
a. Sodium ions are pumped out of the neuron into the synaptic cleft. b. The molecular gates open to allow sodium ions into the neuron. c. The electrical stimulation of the neuron must dip below -70 millivolts and remain so during the action potential. d. Neurotransmitters enter the axon through gaps in the myelin sheath.
A child wants a toy that is too big to be pulled straight through the bars of her crib. She studies the toy for some time and then grabs it, turns it sideways, and fits it through the bars. This child is using:
a. primary circular reaction. b. invention of new means through mental combinations. c. secondary circular reactions. d. coordination of secondary schemes.
Men and women in satisfied heterosexual relationships tend to possess all of the following characteristics EXCEPT
A. the ability to encode and decode messages accurately. B. a willingness to accept conflict in their relationship. C. the ability to reveal private thoughts or feelings to each other. D. the ability to avoid potentially sensitive conflicting subjects.