Which of these is NOT among the several hypotheses that have been offered to explain ethnic/social class differences in IQ?

Question

Quizplus · Accepted Answer

The disease/general health hypothesis is not one of the several hypotheses that have been offered to explain ethnic/social class differences in IQ. The other three options are common hypotheses: 
- The cultural test bias hypothesis suggests that IQ tests are culturally biased and may favor certain groups over others.
- The environmental hypothesis suggests that differences in IQ may be due to differences in environmental factors, such as access to education, nutrition, and resources.
- The genetic hypothesis suggests that differences in IQ may be partly due to genetic factors that are more prevalent in some populations than in others.

Which of These Is NOT Among the Several Hypotheses That