Knowing a child's IQ at age three is
A) a highly reliable and valid measure of future IQ.
B) only valid if a culture-fair IQ test was used.
C) only a valid measure for children with average IQs and not for gifted or the intellectually disabled.
D) unreliable and tells us very little about what the child's IQ will be in adulthood.

Question

Knowing a child's IQ at age three​ is
A) ​a highly reliable and valid measure of future IQ.
B) ​only valid if a culture-fair IQ test was used.
C) ​only a valid measure for children with average IQs and not for gifted or the intellectually disabled.
D) unreliable and ​tells us very little about what the child's IQ will be in adulthood.

Quizplus · Accepted Answer

IQ can change over time and can be influenced by many factors such as education, environment, and experiences. Therefore, a single IQ test at a young age cannot reliably predict a child's future IQ.

Knowing a Child's IQ at Age Three​ Is

Knowing a Child's IQ at Age Three Is