APFIVE Flaw in a Teratogen Research Design
A team of researchers investigated the effects of prenatal exposure to teratogens on cognitive development. They studied children from birth to age 5, whose mothers were exposed to different levels of environmental toxins during pregnancy. The researchers concluded that exposure to teratogens has no significant effect on cognitive development, as they found no differences in IQ scores at age 5. However, they did not consider other aspects of cognitive development. What mistake did the researchers make?
A
Only measured cognitive development at one point in time.
B
Focused solely on environmental toxins as teratogens.
C
Neglected to assess other cognitive functions beyond IQ.
D
Did not account for varying levels of exposure to teratogens.
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