Sleep spindles are:
A) the high-amplitude, low-frequency waves that are associated with Stage 4 sleep
B) the high amplitude, slow waves that occur in a relaxed, drowsy state
C) the sporadic short bursts of neural activity that occur during Stage 2 sleep
D) the low-amplitude, irregular waves that occur during Stage 1 sleep
E) the way your hair looks when you wake up
C
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The fact that the correlation in IQ scores between identical twins reared apart is higher than that between fraternal twins reared together suggests that intellectual development is
a. influenced more by environmental factors than by genetics. b. affected equally by genetics and environmental factors. c. influenced more by genetics than by environmental factors. d. not affected by either genetics or environmental factors.
If a distribution of scores is shown in a bar graph, you know that the scores were measured on a(n) _________ scale of measurement
a. nominal or ordinal c. interval or ratio b. ordinal or interval d. discrete or continuous
An individual with irrational and pervasive feelings of sadness is said to be suffering from ________________
Fill in the blank(s) with correct word
Among neonates, the arms:
a. are longer than the legs. b. are shorter than the legs. c. are about equal in length to the legs. d. develop more slowly than the legs after the first birthday due to the cephalocaudal trend.