Answer:
c. are influenced by culture
Step-by-step explanation:
IQ tests are highly influenced be external factors, such as culture, hunger, comfort and a few other things. Also, although it is meant to evaluate intelligence, it does not correlate well with achievements. The IQ test has been highly criticized for the cultural bias. It is said both that adapting the test to each culture and not adapting will cause false results, depending on who is doing the argumentation. The cultural factor of the IQ test is still in debate.