In a normal curve _____
a. scores are evenly distributed across the range of values of the independent variable
b. there are at least two modes
c. scores tend to pile up at one end of the range
d. scores tend to cluster around the mean
D
The scores in a normal distribution are symmetrically arranged such that, with increasing distance from the mean, frequency declines.
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A lobotomy involves:
A) drilling holes through the eye sockets to alleviate intraocular pressure. B) severing the corpus callosum. C) severing connections between the frontal lobes and inner brain structures. D) removing the prefrontal cortex.
Which of the following is an individual intelligence test that measures verbal comprehension, perceptual reasoning, working memory, and processing speed using such subtests as information, matrix reasoning, digit span, and symbol search, respectively?
a. Stanford-Binet Intelligence Scales (SB5) b. Wechsler Adult Intelligence Scale (WAIS-IV) c. Kaufmann Intelligence Scale (KIS) d. Dove Counterbalance Intelligence Test
Echolalia is most likely to be found in ______ disorder
a. autistic c. conduct b. attention-deficit/hyperactivity d. learning disability
What is the fundamental factor that determines the sex of a child?
A. a woman's ovum B. a man's sperm C. chromosome variety D. chromosome division