What is the mean, or average, of these numbers: 2, 3, 5, and 6?
a. 3.5
b. 4
c. 4.5
d. 5
B.
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Describe the three methods used by researchers to investigate the effects of genetics and experience on behavior
What will be an ideal response?
The prognosis for children with autism spectrum disorder ____
a. is generally encouraging b. suggests that deficits will worsen over time c. is mixed depending on severity d. is uniformly poor
Critics of the IQ test often argue that:
a. Most often IQ scores do not correlate with academic performance b. The IQ test does not measure "street smarts" c. IQ scores, even those that are culture-free, differ widely across cultures d. Most politicians score low on IQ tests
Using a nonequivalent control group can result in ______ between groups because participants were not randomly assigned.
A. similar variability B. observer bias C. selection differences D. an independent variable