Considering How Early Intervention Programs to Improve Intellectual Development Have

Multiple Choice

Considering how early intervention programs to improve intellectual development have shown marked improvements in the IQ of participants, it can be inferred that the main reason children from low SES families earn lower scores on IQ tests is that

A) the parents have difficulty providing an intellectually stimulating environment for their children.
B) the genes for lower intelligence are passed down from the parents to the children.
C) IQ tests are culture-fair tests.
D) IQ tests fail to test for street-smarts and practical intelligence.