Which of the following groups of children are most likely to have the most similar IQ scores?

A) opposite-sex fraternal twins
B) siblings reared together
C) identical twins reared apart
D) same-sex fraternal twins

Opposite-Sex Twins

Twins of a multiple birth consisting of one male and one female sibling.

Fraternal Twins

Twins that develop from two different eggs fertilized by two different sperm cells, making them genetically unique, unlike identical twins.

IQ Scores

Numerical measurements that represent an individual's cognitive abilities compared to the average population, typically through standardized testing.