Little Kendra is three years old. She almost never shows any signs of recognition when her parents are around and basically ignores other people. Kendra occasionally bangs her head repeatedly. Kendra most likely has ____
a. ?autistic spectrum disorder
b. ?schizophrenia
c. ?attention deficit hyperactivity disorder
d. ?separation anxiety disorder
ANSWER:
a
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The more oysters you open, the greater your chances of finding a pearl, but you cannot predict when you will find one. This is an example of which type of schedule of reinforcement?
a. Fixed-interval b. Variable-interval c. Fixed-ratio d. Variable-ratio
An ultrasound
a. uses x-ray photography to make a picture of the unborn child. b. can be heard by the human ear. c. yields a picture called a CT-scan. d. bounces sound waves off of the fetus.
Within the hindbrain, the structure that is linked to coordination of complex motor skills is the:
a. medulla and the pons b. cerebellum c. reticular formation d. hippocampus
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.