Article Summaries
According to Scarr and Richard, the influence of intelligence is due to genetics and environmental variables that are difficult to segregate. Psychologists often argue about the nature and the nurture of genetic variation fixes in the human behavior (Scarr and Richard 262). Some offer that genetic differences are negating to change in behavior. This belief has limitation since it fails to distinguish the environmental and the genetic sources of individual differences in behavior. In this case, one is not in a position to assess the impact of heredity in behavioral domains since all people have a gene complement expressed over development.
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