Which statement is TRUE regarding cones?
a. ?They require less light than rods to be activated.
b. ?They are most densely concentrated in the periphery of the retina.
c. ?The process they follow to convert light into neural messages is different than the process followed by rods.
d. ?They are less numerous than rods in the human eye.
ANSWER:
c
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Regarding circadian rhythms, which of the following statements is FALSE?
a. Frequent time shifting can wreak havoc on circadian rhythms. b. During exposure to light, melatonin production increases, helping us maintain wakefulness. c. Light entering through the eye helps keep the body clock in sync with day and night. d. Body temperature follows a circadian rhythm in which temperature falls a few degrees during the middle of the night. e. Circadian rhythms are found in almost all species, including paramecia and trees.
Which of the following substances is a stimulant?
A) Nembutal B) Seconal C) Morphine D) Cocaine
Stratified random sampling is used instead of simple random sampling when a researcher wants to ensure that the sample has specified characteristics
a. True b. False Indicate whether the statement is true or false
Bill and Ben have an accident in which their cars collide. Bill blames the rainyweather for
his skid. Ben blames Bill's bad driving skills for the accident and believes that his own driving was exemplary. In this case, Ben is displaying a. the fundamental attribution error. b. the actor-observer effect. c. belief in a just world. d. the distractiveness principle. e. the consensus principle.