Desmond and Deirdre are two biological siblings who are being reared in the same home. Their IQ scores are much more similar that those of Glen and Giselle, biological siblings who were separated as infants and are being raised in different homes. The fact that the IQ scores of Desmond and Deirdre are much more similar than the IQ scores of Glen and Giselle provides evidence for the influence of _____ on intelligence and IQ scores.
A) the environment
B) genes
C) standardization and validity
D) linguistic relativity

Question

Quizplus · Accepted Answer

The similarity in IQ scores between Desmond and Deirdre, who are raised together, compared to Glen and Giselle, who are raised apart, suggests that the environment plays a significant role in shaping intelligence and IQ scores.

Desmond and Deirdre Are Two Biological Siblings Who Are Being