It has been found that humans:
a. are sensitive to almost the entire range of electromagnetic energy.
b. can hear sounds that are two octaves beyond the range of bats.
c. are one of the few species that can see ultraviolet light.
d. can see a candle flame on a clear, dark night from 30 miles away.
Answer: d
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Eighteen-month-old Joey is asked to share spinach or graham crackers with his mother in a social referencing experiment. Even though Joey prefers graham crackers, he might offer the spinach to his mother if she
A) makes a face when he offers the vegetable to her. B) uses her voice and facial expressions to convey a preference for the spinach. C) uses her voice and facial expressions to convey a preference for the graham crackers. D) expresses no preference for either food.
The cerebral cortex in humans accounts for what percent of all the neurons in the central nervous system?
a. 10 percent b. 40 percent c. 70 percent d. 99 percent
If Dr. Shears wanted to make an animal less anxious, decreasing the activity of the __________ would accomplish this goal.
A. lateral nucleus B. central nucleus C. basal nucleus D. dorsomedial nucleus
If differences were found between parents of autistic children and parents of normal children, what problem of interpretation would limit assumptions that the parents caused the disorder?
a) Third variable b) Directionality c) Correlational d) All of the above