Frequency, amplitude, and saturation are three separate aspects of our experience of ________
a) night vision
b) color
c) acuity
d) sensation
ANS: B
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Each of the following increases the risk of a youth engaging in violent behavior EXCEPT______
a. overly controlling and "smothering" parents b. easy availability of guns and being raised in a "gun culture" c. feelings of isolation and rejection from family and peers d. repeated stress during the first three years of life
Dr. Johan read the results of a study on conversational patterns of men and women that was conducted with college student participants
He decides to repeat this experiment using middleaged and older adults. Dr. Johan's study would be considered a(n) a. operational revision. b. replication. c. confirmation bias. d. double-blind.
The release of neurotransmitter from axon terminals into the synaptic cleft depends on:
A) The inflow of chloride ions B) The opening of nodes of Ranvier C) Reversal of the sodium-potassium pump D) The entry of calcium ions from the extracellular fluid
Which of the following is one of the popular stereotypes of contemporary adolescents?
A. The main reason adolescents use drugs is peer pressure. B. The "epidemic" of substance use by American adolescents is separate from the other problems associated with adolescents. C. They use drugs less than their counterparts did in previous generations. D. Most adolescents try drugs only one time and then quit.